Home / 150,289.20-207,348.72-86,625.66

Finding the Fourth Proportional to 150,289.20, 207,348.72 and 86,625.66

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Solution

The fourth proportional to 150,289.20, 207,348.72 and 86,625.66 is: 119,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,289.20 : 207,348.72 = 86,625.66 : x
  2. Step 2: Convert to fraction form
    150,289.20/207,348.72 = 86,625.66/x
  3. Step 3: Cross multiply
    150,289.20x = 207,348.72 × 86,625.66
  4. Step 4: Simplify right side
    150,289.20x = 17,961,719,720.16
  5. Step 5: Solve for x
    x = 17,961,719,720.16/150,289.20
  6. Step 6: Final answer
    x = 119,514.37

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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.