Home / 138,234.40-207,349.50-44,740.15

Finding the Fourth Proportional to 138,234.40, 207,349.50 and 44,740.15

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Solution

The fourth proportional to 138,234.40, 207,349.50 and 44,740.15 is: 67,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,234.40 : 207,349.50 = 44,740.15 : x
  2. Step 2: Convert to fraction form
    138,234.40/207,349.50 = 44,740.15/x
  3. Step 3: Cross multiply
    138,234.40x = 207,349.50 × 44,740.15
  4. Step 4: Simplify right side
    138,234.40x = 9,276,847,381.83
  5. Step 5: Solve for x
    x = 9,276,847,381.83/138,234.40
  6. Step 6: Final answer
    x = 67,109.54

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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.