Home / 156,252.88-234,390.24-77,345.92

Finding the Fourth Proportional to 156,252.88, 234,390.24 and 77,345.92

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Solution

The fourth proportional to 156,252.88, 234,390.24 and 77,345.92 is: 116,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,252.88 : 234,390.24 = 77,345.92 : x
  2. Step 2: Convert to fraction form
    156,252.88/234,390.24 = 77,345.92/x
  3. Step 3: Cross multiply
    156,252.88x = 234,390.24 × 77,345.92
  4. Step 4: Simplify right side
    156,252.88x = 18,129,128,751.82
  5. Step 5: Solve for x
    x = 18,129,128,751.82/156,252.88
  6. Step 6: Final answer
    x = 116,024.29

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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.