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Finding the Fourth Proportional to 134,279.55, 201,419.33 and 63,157.97

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Solution

The fourth proportional to 134,279.55, 201,419.33 and 63,157.97 is: 94,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,279.55 : 201,419.33 = 63,157.97 : x
  2. Step 2: Convert to fraction form
    134,279.55/201,419.33 = 63,157.97/x
  3. Step 3: Cross multiply
    134,279.55x = 201,419.33 × 63,157.97
  4. Step 4: Simplify right side
    134,279.55x = 12,721,236,189.32
  5. Step 5: Solve for x
    x = 12,721,236,189.32/134,279.55
  6. Step 6: Final answer
    x = 94,736.96

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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.