Home / 245,152.29-338,308.14-137,720.04

Finding the Fourth Proportional to 245,152.29, 338,308.14 and 137,720.04

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Solution

The fourth proportional to 245,152.29, 338,308.14 and 137,720.04 is: 190,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,152.29 : 338,308.14 = 137,720.04 : x
  2. Step 2: Convert to fraction form
    245,152.29/338,308.14 = 137,720.04/x
  3. Step 3: Cross multiply
    245,152.29x = 338,308.14 × 137,720.04
  4. Step 4: Simplify right side
    245,152.29x = 46,591,810,573.13
  5. Step 5: Solve for x
    x = 46,591,810,573.13/245,152.29
  6. Step 6: Final answer
    x = 190,052.52

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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.