Home / 150,148.98-207,375.66-102,319.29

Finding the Fourth Proportional to 150,148.98, 207,375.66 and 102,319.29

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Solution

The fourth proportional to 150,148.98, 207,375.66 and 102,319.29 is: 141,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,148.98 : 207,375.66 = 102,319.29 : x
  2. Step 2: Convert to fraction form
    150,148.98/207,375.66 = 102,319.29/x
  3. Step 3: Cross multiply
    150,148.98x = 207,375.66 × 102,319.29
  4. Step 4: Simplify right side
    150,148.98x = 21,218,530,294.48
  5. Step 5: Solve for x
    x = 21,218,530,294.48/150,148.98
  6. Step 6: Final answer
    x = 141,316.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.