Home / 120,657.56-181,046.70-54,145.24

Finding the Fourth Proportional to 120,657.56, 181,046.70 and 54,145.24

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Solution

The fourth proportional to 120,657.56, 181,046.70 and 54,145.24 is: 81,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,657.56 : 181,046.70 = 54,145.24 : x
  2. Step 2: Convert to fraction form
    120,657.56/181,046.70 = 54,145.24/x
  3. Step 3: Cross multiply
    120,657.56x = 181,046.70 × 54,145.24
  4. Step 4: Simplify right side
    120,657.56x = 9,802,817,022.71
  5. Step 5: Solve for x
    x = 9,802,817,022.71/120,657.56
  6. Step 6: Final answer
    x = 81,244.95

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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.