Home / 150,595.29-207,786.62-90,142.95

Finding the Fourth Proportional to 150,595.29, 207,786.62 and 90,142.95

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Solution

The fourth proportional to 150,595.29, 207,786.62 and 90,142.95 is: 124,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,595.29 : 207,786.62 = 90,142.95 : x
  2. Step 2: Convert to fraction form
    150,595.29/207,786.62 = 90,142.95/x
  3. Step 3: Cross multiply
    150,595.29x = 207,786.62 × 90,142.95
  4. Step 4: Simplify right side
    150,595.29x = 18,730,498,446.61
  5. Step 5: Solve for x
    x = 18,730,498,446.61/150,595.29
  6. Step 6: Final answer
    x = 124,376.39

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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.