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Finding the Fourth Proportional to 135,999.53, 187,675.61 and 75,568.62

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Solution

The fourth proportional to 135,999.53, 187,675.61 and 75,568.62 is: 104,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,999.53 : 187,675.61 = 75,568.62 : x
  2. Step 2: Convert to fraction form
    135,999.53/187,675.61 = 75,568.62/x
  3. Step 3: Cross multiply
    135,999.53x = 187,675.61 × 75,568.62
  4. Step 4: Simplify right side
    135,999.53x = 14,182,386,105.90
  5. Step 5: Solve for x
    x = 14,182,386,105.90/135,999.53
  6. Step 6: Final answer
    x = 104,282.62

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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.