Home / 124,778.18-187,174.40-40,545.54

Finding the Fourth Proportional to 124,778.18, 187,174.40 and 40,545.54

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Solution

The fourth proportional to 124,778.18, 187,174.40 and 40,545.54 is: 60,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,778.18 : 187,174.40 = 40,545.54 : x
  2. Step 2: Convert to fraction form
    124,778.18/187,174.40 = 40,545.54/x
  3. Step 3: Cross multiply
    124,778.18x = 187,174.40 × 40,545.54
  4. Step 4: Simplify right side
    124,778.18x = 7,589,086,393.02
  5. Step 5: Solve for x
    x = 7,589,086,393.02/124,778.18
  6. Step 6: Final answer
    x = 60,820.62

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1.5x scale

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.