Home / 120,926.75-181,327.93-54,309.70

Finding the Fourth Proportional to 120,926.75, 181,327.93 and 54,309.70

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Solution

The fourth proportional to 120,926.75, 181,327.93 and 54,309.70 is: 81,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,926.75 : 181,327.93 = 54,309.70 : x
  2. Step 2: Convert to fraction form
    120,926.75/181,327.93 = 54,309.70/x
  3. Step 3: Cross multiply
    120,926.75x = 181,327.93 × 54,309.70
  4. Step 4: Simplify right side
    120,926.75x = 9,847,865,902.17
  5. Step 5: Solve for x
    x = 9,847,865,902.17/120,926.75
  6. Step 6: Final answer
    x = 81,436.62

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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.