Home / 162,404.43-243,677.86-77,076.92

Finding the Fourth Proportional to 162,404.43, 243,677.86 and 77,076.92

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Solution

The fourth proportional to 162,404.43, 243,677.86 and 77,076.92 is: 115,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,404.43 : 243,677.86 = 77,076.92 : x
  2. Step 2: Convert to fraction form
    162,404.43/243,677.86 = 77,076.92/x
  3. Step 3: Cross multiply
    162,404.43x = 243,677.86 × 77,076.92
  4. Step 4: Simplify right side
    162,404.43x = 18,781,937,509.91
  5. Step 5: Solve for x
    x = 18,781,937,509.91/162,404.43
  6. Step 6: Final answer
    x = 115,649.17

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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.