Home / 150,149.12-207,202.56-82,165.82

Finding the Fourth Proportional to 150,149.12, 207,202.56 and 82,165.82

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Solution

The fourth proportional to 150,149.12, 207,202.56 and 82,165.82 is: 113,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,149.12 : 207,202.56 = 82,165.82 : x
  2. Step 2: Convert to fraction form
    150,149.12/207,202.56 = 82,165.82/x
  3. Step 3: Cross multiply
    150,149.12x = 207,202.56 × 82,165.82
  4. Step 4: Simplify right side
    150,149.12x = 17,024,968,248.50
  5. Step 5: Solve for x
    x = 17,024,968,248.50/150,149.12
  6. Step 6: Final answer
    x = 113,387.07

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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.