Home / 86,151.46-129,227.23-32,831

Finding the Fourth Proportional to 86,151.46, 129,227.23 and 32,831

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Solution

The fourth proportional to 86,151.46, 129,227.23 and 32,831 is: 49,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,151.46 : 129,227.23 = 32,831 : x
  2. Step 2: Convert to fraction form
    86,151.46/129,227.23 = 32,831/x
  3. Step 3: Cross multiply
    86,151.46x = 129,227.23 × 32,831
  4. Step 4: Simplify right side
    86,151.46x = 4,242,659,188.13
  5. Step 5: Solve for x
    x = 4,242,659,188.13/86,151.46
  6. Step 6: Final answer
    x = 49,246.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.