Home / 121,010.48-181,515.76-49,932.08

Finding the Fourth Proportional to 121,010.48, 181,515.76 and 49,932.08

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Solution

The fourth proportional to 121,010.48, 181,515.76 and 49,932.08 is: 74,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,010.48 : 181,515.76 = 49,932.08 : x
  2. Step 2: Convert to fraction form
    121,010.48/181,515.76 = 49,932.08/x
  3. Step 3: Cross multiply
    121,010.48x = 181,515.76 × 49,932.08
  4. Step 4: Simplify right side
    121,010.48x = 9,063,459,449.58
  5. Step 5: Solve for x
    x = 9,063,459,449.58/121,010.48
  6. Step 6: Final answer
    x = 74,898.14

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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.