Home / 150,280.43-207,390.86-82,301.15

Finding the Fourth Proportional to 150,280.43, 207,390.86 and 82,301.15

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Solution

The fourth proportional to 150,280.43, 207,390.86 and 82,301.15 is: 113,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,280.43 : 207,390.86 = 82,301.15 : x
  2. Step 2: Convert to fraction form
    150,280.43/207,390.86 = 82,301.15/x
  3. Step 3: Cross multiply
    150,280.43x = 207,390.86 × 82,301.15
  4. Step 4: Simplify right side
    150,280.43x = 17,068,506,277.49
  5. Step 5: Solve for x
    x = 17,068,506,277.49/150,280.43
  6. Step 6: Final answer
    x = 113,577.70

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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.