Home / 150,151.52-207,208.02-82,167.21

Finding the Fourth Proportional to 150,151.52, 207,208.02 and 82,167.21

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Solution

The fourth proportional to 150,151.52, 207,208.02 and 82,167.21 is: 113,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151.52 : 207,208.02 = 82,167.21 : x
  2. Step 2: Convert to fraction form
    150,151.52/207,208.02 = 82,167.21/x
  3. Step 3: Cross multiply
    150,151.52x = 207,208.02 × 82,167.21
  4. Step 4: Simplify right side
    150,151.52x = 17,025,705,201.15
  5. Step 5: Solve for x
    x = 17,025,705,201.15/150,151.52
  6. Step 6: Final answer
    x = 113,390.16

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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.