Home / 150,587.62-207,817.43-90,146.56

Finding the Fourth Proportional to 150,587.62, 207,817.43 and 90,146.56

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Solution

The fourth proportional to 150,587.62, 207,817.43 and 90,146.56 is: 124,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,587.62 : 207,817.43 = 90,146.56 : x
  2. Step 2: Convert to fraction form
    150,587.62/207,817.43 = 90,146.56/x
  3. Step 3: Cross multiply
    150,587.62x = 207,817.43 × 90,146.56
  4. Step 4: Simplify right side
    150,587.62x = 18,734,026,422.54
  5. Step 5: Solve for x
    x = 18,734,026,422.54/150,587.62
  6. Step 6: Final answer
    x = 124,406.15

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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.