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Finding the Fourth Proportional to 123,184.60, 170,010.30 and 69,472.60

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Solution

The fourth proportional to 123,184.60, 170,010.30 and 69,472.60 is: 95,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,184.60 : 170,010.30 = 69,472.60 : x
  2. Step 2: Convert to fraction form
    123,184.60/170,010.30 = 69,472.60/x
  3. Step 3: Cross multiply
    123,184.60x = 170,010.30 × 69,472.60
  4. Step 4: Simplify right side
    123,184.60x = 11,811,057,567.78
  5. Step 5: Solve for x
    x = 11,811,057,567.78/123,184.60
  6. Step 6: Final answer
    x = 95,880.96

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1.5x scale

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.