Home / 142,760.76-214,450.14-92,815.17

Finding the Fourth Proportional to 142,760.76, 214,450.14 and 92,815.17

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Solution

The fourth proportional to 142,760.76, 214,450.14 and 92,815.17 is: 139,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,760.76 : 214,450.14 = 92,815.17 : x
  2. Step 2: Convert to fraction form
    142,760.76/214,450.14 = 92,815.17/x
  3. Step 3: Cross multiply
    142,760.76x = 214,450.14 × 92,815.17
  4. Step 4: Simplify right side
    142,760.76x = 19,904,226,200.62
  5. Step 5: Solve for x
    x = 19,904,226,200.62/142,760.76
  6. Step 6: Final answer
    x = 139,423.65

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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.