Home / 150,344.16-207,002.16-122,143.20

Finding the Fourth Proportional to 150,344.16, 207,002.16 and 122,143.20

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Solution

The fourth proportional to 150,344.16, 207,002.16 and 122,143.20 is: 168,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,344.16 : 207,002.16 = 122,143.20 : x
  2. Step 2: Convert to fraction form
    150,344.16/207,002.16 = 122,143.20/x
  3. Step 3: Cross multiply
    150,344.16x = 207,002.16 × 122,143.20
  4. Step 4: Simplify right side
    150,344.16x = 25,283,906,229.31
  5. Step 5: Solve for x
    x = 25,283,906,229.31/150,344.16
  6. Step 6: Final answer
    x = 168,173.52

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1.5x scale

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.