Home / 245,556.12-338,862.44-143,641.92

Finding the Fourth Proportional to 245,556.12, 338,862.44 and 143,641.92

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Solution

The fourth proportional to 245,556.12, 338,862.44 and 143,641.92 is: 198,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,556.12 : 338,862.44 = 143,641.92 : x
  2. Step 2: Convert to fraction form
    245,556.12/338,862.44 = 143,641.92/x
  3. Step 3: Cross multiply
    245,556.12x = 338,862.44 × 143,641.92
  4. Step 4: Simplify right side
    245,556.12x = 48,674,852,319.34
  5. Step 5: Solve for x
    x = 48,674,852,319.34/245,556.12
  6. Step 6: Final answer
    x = 198,222.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.