Home / 103,220-154,856-29,348

Finding the Fourth Proportional to 103,220, 154,856 and 29,348

Calculator

Solution

The fourth proportional to 103,220, 154,856 and 29,348 is: 44,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,220 : 154,856 = 29,348 : x
  2. Step 2: Convert to fraction form
    103,220/154,856 = 29,348/x
  3. Step 3: Cross multiply
    103,220x = 154,856 × 29,348
  4. Step 4: Simplify right side
    103,220x = 4,544,713,888
  5. Step 5: Solve for x
    x = 4,544,713,888/103,220
  6. Step 6: Final answer
    x = 44,029.39

Related Problems

Find fourth proportional to 51,610, 77,428 and 14,674
Half scale
Find fourth proportional to 206,440, 309,712 and 58,696
Double scale
Find fourth proportional to 103,221, 154,857.50 and 29,349
Similar ratio
Find fourth proportional to 154,830, 232,284 and 44,022
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.