Home / 124,267.28-171,490.79-67,678.61

Finding the Fourth Proportional to 124,267.28, 171,490.79 and 67,678.61

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Solution

The fourth proportional to 124,267.28, 171,490.79 and 67,678.61 is: 93,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,267.28 : 171,490.79 = 67,678.61 : x
  2. Step 2: Convert to fraction form
    124,267.28/171,490.79 = 67,678.61/x
  3. Step 3: Cross multiply
    124,267.28x = 171,490.79 × 67,678.61
  4. Step 4: Simplify right side
    124,267.28x = 11,606,257,606.74
  5. Step 5: Solve for x
    x = 11,606,257,606.74/124,267.28
  6. Step 6: Final answer
    x = 93,397.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.