Home / 138,311.30-207,466.95-126,064.10

Finding the Fourth Proportional to 138,311.30, 207,466.95 and 126,064.10

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Solution

The fourth proportional to 138,311.30, 207,466.95 and 126,064.10 is: 189,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,311.30 : 207,466.95 = 126,064.10 : x
  2. Step 2: Convert to fraction form
    138,311.30/207,466.95 = 126,064.10/x
  3. Step 3: Cross multiply
    138,311.30x = 207,466.95 × 126,064.10
  4. Step 4: Simplify right side
    138,311.30x = 26,154,134,331.50
  5. Step 5: Solve for x
    x = 26,154,134,331.50/138,311.30
  6. Step 6: Final answer
    x = 189,096.15

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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.