Home / 131,861.31-181,797.33-84,031.62

Finding the Fourth Proportional to 131,861.31, 181,797.33 and 84,031.62

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Solution

The fourth proportional to 131,861.31, 181,797.33 and 84,031.62 is: 115,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,861.31 : 181,797.33 = 84,031.62 : x
  2. Step 2: Convert to fraction form
    131,861.31/181,797.33 = 84,031.62/x
  3. Step 3: Cross multiply
    131,861.31x = 181,797.33 × 84,031.62
  4. Step 4: Simplify right side
    131,861.31x = 15,276,724,151.57
  5. Step 5: Solve for x
    x = 15,276,724,151.57/131,861.31
  6. Step 6: Final answer
    x = 115,854.48

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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.