Home / 150,645.20-207,881.16-82,648.40

Finding the Fourth Proportional to 150,645.20, 207,881.16 and 82,648.40

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Solution

The fourth proportional to 150,645.20, 207,881.16 and 82,648.40 is: 114,049.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,645.20 : 207,881.16 = 82,648.40 : x
  2. Step 2: Convert to fraction form
    150,645.20/207,881.16 = 82,648.40/x
  3. Step 3: Cross multiply
    150,645.20x = 207,881.16 × 82,648.40
  4. Step 4: Simplify right side
    150,645.20x = 17,181,045,264.14
  5. Step 5: Solve for x
    x = 17,181,045,264.14/150,645.20
  6. Step 6: Final answer
    x = 114,049.74

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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.