Home / 125,428.10-173,090.82-71,714.16

Finding the Fourth Proportional to 125,428.10, 173,090.82 and 71,714.16

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Solution

The fourth proportional to 125,428.10, 173,090.82 and 71,714.16 is: 98,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,428.10 : 173,090.82 = 71,714.16 : x
  2. Step 2: Convert to fraction form
    125,428.10/173,090.82 = 71,714.16/x
  3. Step 3: Cross multiply
    125,428.10x = 173,090.82 × 71,714.16
  4. Step 4: Simplify right side
    125,428.10x = 12,413,062,760.01
  5. Step 5: Solve for x
    x = 12,413,062,760.01/125,428.10
  6. Step 6: Final answer
    x = 98,965.56

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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.