Home / 98,882.17-136,470.62-55,870.56

Finding the Fourth Proportional to 98,882.17, 136,470.62 and 55,870.56

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Solution

The fourth proportional to 98,882.17, 136,470.62 and 55,870.56 is: 77,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,882.17 : 136,470.62 = 55,870.56 : x
  2. Step 2: Convert to fraction form
    98,882.17/136,470.62 = 55,870.56/x
  3. Step 3: Cross multiply
    98,882.17x = 136,470.62 × 55,870.56
  4. Step 4: Simplify right side
    98,882.17x = 7,624,690,102.62
  5. Step 5: Solve for x
    x = 7,624,690,102.62/98,882.17
  6. Step 6: Final answer
    x = 77,108.85

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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.