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Finding the Fourth Proportional to 101,279.91, 151,903.87 and 63,725.02

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Solution

The fourth proportional to 101,279.91, 151,903.87 and 63,725.02 is: 95,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,279.91 : 151,903.87 = 63,725.02 : x
  2. Step 2: Convert to fraction form
    101,279.91/151,903.87 = 63,725.02/x
  3. Step 3: Cross multiply
    101,279.91x = 151,903.87 × 63,725.02
  4. Step 4: Simplify right side
    101,279.91x = 9,680,077,153.83
  5. Step 5: Solve for x
    x = 9,680,077,153.83/101,279.91
  6. Step 6: Final answer
    x = 95,577.47

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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.