Home / 138,116.16-207,174.36-59,179.20

Finding the Fourth Proportional to 138,116.16, 207,174.36 and 59,179.20

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Solution

The fourth proportional to 138,116.16, 207,174.36 and 59,179.20 is: 88,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,116.16 : 207,174.36 = 59,179.20 : x
  2. Step 2: Convert to fraction form
    138,116.16/207,174.36 = 59,179.20/x
  3. Step 3: Cross multiply
    138,116.16x = 207,174.36 × 59,179.20
  4. Step 4: Simplify right side
    138,116.16x = 12,260,412,885.31
  5. Step 5: Solve for x
    x = 12,260,412,885.31/138,116.16
  6. Step 6: Final answer
    x = 88,768.85

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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.