Home / 159,278-238,917-48,470

Finding the Fourth Proportional to 159,278, 238,917 and 48,470

Calculator

Solution

The fourth proportional to 159,278, 238,917 and 48,470 is: 72,705

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,278 : 238,917 = 48,470 : x
  2. Step 2: Convert to fraction form
    159,278/238,917 = 48,470/x
  3. Step 3: Cross multiply
    159,278x = 238,917 × 48,470
  4. Step 4: Simplify right side
    159,278x = 11,580,306,990
  5. Step 5: Solve for x
    x = 11,580,306,990/159,278
  6. Step 6: Final answer
    x = 72,705

Related Problems

Find fourth proportional to 79,639, 119,458.50 and 24,235
Half scale
Find fourth proportional to 318,556, 477,834 and 96,940
Double scale
Find fourth proportional to 159,279, 238,918.50 and 48,471
Similar ratio
Find fourth proportional to 238,917, 358,375.50 and 72,705
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.