Home / 150,543.24-207,758.86-86,885.13

Finding the Fourth Proportional to 150,543.24, 207,758.86 and 86,885.13

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Solution

The fourth proportional to 150,543.24, 207,758.86 and 86,885.13 is: 119,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,543.24 : 207,758.86 = 86,885.13 : x
  2. Step 2: Convert to fraction form
    150,543.24/207,758.86 = 86,885.13/x
  3. Step 3: Cross multiply
    150,543.24x = 207,758.86 × 86,885.13
  4. Step 4: Simplify right side
    150,543.24x = 18,051,155,559.75
  5. Step 5: Solve for x
    x = 18,051,155,559.75/150,543.24
  6. Step 6: Final answer
    x = 119,906.78

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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.