Home / 145,400.76-218,084.22-40,227.90

Finding the Fourth Proportional to 145,400.76, 218,084.22 and 40,227.90

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Solution

The fourth proportional to 145,400.76, 218,084.22 and 40,227.90 is: 60,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,400.76 : 218,084.22 = 40,227.90 : x
  2. Step 2: Convert to fraction form
    145,400.76/218,084.22 = 40,227.90/x
  3. Step 3: Cross multiply
    145,400.76x = 218,084.22 × 40,227.90
  4. Step 4: Simplify right side
    145,400.76x = 8,773,070,193.74
  5. Step 5: Solve for x
    x = 8,773,070,193.74/145,400.76
  6. Step 6: Final answer
    x = 60,337.17

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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.