Home / 135,748.70-187,330.35-75,318.04

Finding the Fourth Proportional to 135,748.70, 187,330.35 and 75,318.04

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Solution

The fourth proportional to 135,748.70, 187,330.35 and 75,318.04 is: 103,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,748.70 : 187,330.35 = 75,318.04 : x
  2. Step 2: Convert to fraction form
    135,748.70/187,330.35 = 75,318.04/x
  3. Step 3: Cross multiply
    135,748.70x = 187,330.35 × 75,318.04
  4. Step 4: Simplify right side
    135,748.70x = 14,109,354,412.19
  5. Step 5: Solve for x
    x = 14,109,354,412.19/135,748.70
  6. Step 6: Final answer
    x = 103,937.31

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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.