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Finding the Fourth Proportional to 96,544.10, 144,488.10 and 84,734.30

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Solution

The fourth proportional to 96,544.10, 144,488.10 and 84,734.30 is: 126,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,544.10 : 144,488.10 = 84,734.30 : x
  2. Step 2: Convert to fraction form
    96,544.10/144,488.10 = 84,734.30/x
  3. Step 3: Cross multiply
    96,544.10x = 144,488.10 × 84,734.30
  4. Step 4: Simplify right side
    96,544.10x = 12,243,098,011.83
  5. Step 5: Solve for x
    x = 12,243,098,011.83/96,544.10
  6. Step 6: Final answer
    x = 126,813.53

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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.