Home / 138,293.28-207,086.90-110,254.23

Finding the Fourth Proportional to 138,293.28, 207,086.90 and 110,254.23

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Solution

The fourth proportional to 138,293.28, 207,086.90 and 110,254.23 is: 165,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,293.28 : 207,086.90 = 110,254.23 : x
  2. Step 2: Convert to fraction form
    138,293.28/207,086.90 = 110,254.23/x
  3. Step 3: Cross multiply
    138,293.28x = 207,086.90 × 110,254.23
  4. Step 4: Simplify right side
    138,293.28x = 22,832,205,115.88
  5. Step 5: Solve for x
    x = 22,832,205,115.88/138,293.28
  6. Step 6: Final answer
    x = 165,099.89

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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.