Home / 110,529.27-152,600.07-78,332.17

Finding the Fourth Proportional to 110,529.27, 152,600.07 and 78,332.17

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Solution

The fourth proportional to 110,529.27, 152,600.07 and 78,332.17 is: 108,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,529.27 : 152,600.07 = 78,332.17 : x
  2. Step 2: Convert to fraction form
    110,529.27/152,600.07 = 78,332.17/x
  3. Step 3: Cross multiply
    110,529.27x = 152,600.07 × 78,332.17
  4. Step 4: Simplify right side
    110,529.27x = 11,953,494,625.25
  5. Step 5: Solve for x
    x = 11,953,494,625.25/110,529.27
  6. Step 6: Final answer
    x = 108,147.78

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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.