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Finding the Fourth Proportional to 168,002.40, 252,061.20 and 74,575.20

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Solution

The fourth proportional to 168,002.40, 252,061.20 and 74,575.20 is: 111,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.40 : 252,061.20 = 74,575.20 : x
  2. Step 2: Convert to fraction form
    168,002.40/252,061.20 = 74,575.20/x
  3. Step 3: Cross multiply
    168,002.40x = 252,061.20 × 74,575.20
  4. Step 4: Simplify right side
    168,002.40x = 18,797,514,402.24
  5. Step 5: Solve for x
    x = 18,797,514,402.24/168,002.40
  6. Step 6: Final answer
    x = 111,888.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.