Home / 121,257.43-181,861.53-32,490.19

Finding the Fourth Proportional to 121,257.43, 181,861.53 and 32,490.19

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Solution

The fourth proportional to 121,257.43, 181,861.53 and 32,490.19 is: 48,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,257.43 : 181,861.53 = 32,490.19 : x
  2. Step 2: Convert to fraction form
    121,257.43/181,861.53 = 32,490.19/x
  3. Step 3: Cross multiply
    121,257.43x = 181,861.53 × 32,490.19
  4. Step 4: Simplify right side
    121,257.43x = 5,908,715,663.39
  5. Step 5: Solve for x
    x = 5,908,715,663.39/121,257.43
  6. Step 6: Final answer
    x = 48,728.69

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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.