Home / 121,400.20-182,093.81-37,160.40

Finding the Fourth Proportional to 121,400.20, 182,093.81 and 37,160.40

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Solution

The fourth proportional to 121,400.20, 182,093.81 and 37,160.40 is: 55,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,400.20 : 182,093.81 = 37,160.40 : x
  2. Step 2: Convert to fraction form
    121,400.20/182,093.81 = 37,160.40/x
  3. Step 3: Cross multiply
    121,400.20x = 182,093.81 × 37,160.40
  4. Step 4: Simplify right side
    121,400.20x = 6,766,679,545.42
  5. Step 5: Solve for x
    x = 6,766,679,545.42/121,400.20
  6. Step 6: Final answer
    x = 55,738.62

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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.