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Finding the Fourth Proportional to 96,543.70, 144,815.55 and 34,206.10

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Solution

The fourth proportional to 96,543.70, 144,815.55 and 34,206.10 is: 51,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,543.70 : 144,815.55 = 34,206.10 : x
  2. Step 2: Convert to fraction form
    96,543.70/144,815.55 = 34,206.10/x
  3. Step 3: Cross multiply
    96,543.70x = 144,815.55 × 34,206.10
  4. Step 4: Simplify right side
    96,543.70x = 4,953,575,184.86
  5. Step 5: Solve for x
    x = 4,953,575,184.86/96,543.70
  6. Step 6: Final answer
    x = 51,309.15

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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.