Home / 121,180.96-181,689.42-42,252.13

Finding the Fourth Proportional to 121,180.96, 181,689.42 and 42,252.13

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Solution

The fourth proportional to 121,180.96, 181,689.42 and 42,252.13 is: 63,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,180.96 : 181,689.42 = 42,252.13 : x
  2. Step 2: Convert to fraction form
    121,180.96/181,689.42 = 42,252.13/x
  3. Step 3: Cross multiply
    121,180.96x = 181,689.42 × 42,252.13
  4. Step 4: Simplify right side
    121,180.96x = 7,676,764,085.02
  5. Step 5: Solve for x
    x = 7,676,764,085.02/121,180.96
  6. Step 6: Final answer
    x = 63,349.59

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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.