Home / 52,187.20-78,290.56-17,136.96

Finding the Fourth Proportional to 52,187.20, 78,290.56 and 17,136.96

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Solution

The fourth proportional to 52,187.20, 78,290.56 and 17,136.96 is: 25,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,187.20 : 78,290.56 = 17,136.96 : x
  2. Step 2: Convert to fraction form
    52,187.20/78,290.56 = 17,136.96/x
  3. Step 3: Cross multiply
    52,187.20x = 78,290.56 × 17,136.96
  4. Step 4: Simplify right side
    52,187.20x = 1,341,662,195.10
  5. Step 5: Solve for x
    x = 1,341,662,195.10/52,187.20
  6. Step 6: Final answer
    x = 25,708.64

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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.