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Finding the Fourth Proportional to 101,877.02, 152,817.42 and 35,319.32

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Solution

The fourth proportional to 101,877.02, 152,817.42 and 35,319.32 is: 52,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,877.02 : 152,817.42 = 35,319.32 : x
  2. Step 2: Convert to fraction form
    101,877.02/152,817.42 = 35,319.32/x
  3. Step 3: Cross multiply
    101,877.02x = 152,817.42 × 35,319.32
  4. Step 4: Simplify right side
    101,877.02x = 5,397,407,358.55
  5. Step 5: Solve for x
    x = 5,397,407,358.55/101,877.02
  6. Step 6: Final answer
    x = 52,979.64

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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.