Home / 99,120.17-148,600.97-51,711.47

Finding the Fourth Proportional to 99,120.17, 148,600.97 and 51,711.47

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Solution

The fourth proportional to 99,120.17, 148,600.97 and 51,711.47 is: 77,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,120.17 : 148,600.97 = 51,711.47 : x
  2. Step 2: Convert to fraction form
    99,120.17/148,600.97 = 51,711.47/x
  3. Step 3: Cross multiply
    99,120.17x = 148,600.97 × 51,711.47
  4. Step 4: Simplify right side
    99,120.17x = 7,684,374,343.57
  5. Step 5: Solve for x
    x = 7,684,374,343.57/99,120.17
  6. Step 6: Final answer
    x = 77,525.84

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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.