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Finding the Fourth Proportional to 101,730.70, 152,304.45 and 98,814.70

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Solution

The fourth proportional to 101,730.70, 152,304.45 and 98,814.70 is: 147,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,730.70 : 152,304.45 = 98,814.70 : x
  2. Step 2: Convert to fraction form
    101,730.70/152,304.45 = 98,814.70/x
  3. Step 3: Cross multiply
    101,730.70x = 152,304.45 × 98,814.70
  4. Step 4: Simplify right side
    101,730.70x = 15,049,918,535.42
  5. Step 5: Solve for x
    x = 15,049,918,535.42/101,730.70
  6. Step 6: Final answer
    x = 147,938.81

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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.