Home / 156,252.87-234,390.24-77,345.91

Finding the Fourth Proportional to 156,252.87, 234,390.24 and 77,345.91

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Solution

The fourth proportional to 156,252.87, 234,390.24 and 77,345.91 is: 116,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,252.87 : 234,390.24 = 77,345.91 : x
  2. Step 2: Convert to fraction form
    156,252.87/234,390.24 = 77,345.91/x
  3. Step 3: Cross multiply
    156,252.87x = 234,390.24 × 77,345.91
  4. Step 4: Simplify right side
    156,252.87x = 18,129,126,407.92
  5. Step 5: Solve for x
    x = 18,129,126,407.92/156,252.87
  6. Step 6: Final answer
    x = 116,024.28

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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.