Home / 120,949.35-181,462.29-54,395.29

Finding the Fourth Proportional to 120,949.35, 181,462.29 and 54,395.29

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Solution

The fourth proportional to 120,949.35, 181,462.29 and 54,395.29 is: 81,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,949.35 : 181,462.29 = 54,395.29 : x
  2. Step 2: Convert to fraction form
    120,949.35/181,462.29 = 54,395.29/x
  3. Step 3: Cross multiply
    120,949.35x = 181,462.29 × 54,395.29
  4. Step 4: Simplify right side
    120,949.35x = 9,870,693,888.61
  5. Step 5: Solve for x
    x = 9,870,693,888.61/120,949.35
  6. Step 6: Final answer
    x = 81,610.14

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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.