Home / 101,902.32-152,845.92-42,735.60

Finding the Fourth Proportional to 101,902.32, 152,845.92 and 42,735.60

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Solution

The fourth proportional to 101,902.32, 152,845.92 and 42,735.60 is: 64,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,902.32 : 152,845.92 = 42,735.60 : x
  2. Step 2: Convert to fraction form
    101,902.32/152,845.92 = 42,735.60/x
  3. Step 3: Cross multiply
    101,902.32x = 152,845.92 × 42,735.60
  4. Step 4: Simplify right side
    101,902.32x = 6,531,962,098.75
  5. Step 5: Solve for x
    x = 6,531,962,098.75/101,902.32
  6. Step 6: Final answer
    x = 64,100.23

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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.