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Finding the Fourth Proportional to 123,000.53, 169,740.73 and 69,285.54

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Solution

The fourth proportional to 123,000.53, 169,740.73 and 69,285.54 is: 95,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,000.53 : 169,740.73 = 69,285.54 : x
  2. Step 2: Convert to fraction form
    123,000.53/169,740.73 = 69,285.54/x
  3. Step 3: Cross multiply
    123,000.53x = 169,740.73 × 69,285.54
  4. Step 4: Simplify right side
    123,000.53x = 11,760,578,138.04
  5. Step 5: Solve for x
    x = 11,760,578,138.04/123,000.53
  6. Step 6: Final answer
    x = 95,614.04

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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.