Home / 124,999.70-187,499.55-50,131.40

Finding the Fourth Proportional to 124,999.70, 187,499.55 and 50,131.40

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Solution

The fourth proportional to 124,999.70, 187,499.55 and 50,131.40 is: 75,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,999.70 : 187,499.55 = 50,131.40 : x
  2. Step 2: Convert to fraction form
    124,999.70/187,499.55 = 50,131.40/x
  3. Step 3: Cross multiply
    124,999.70x = 187,499.55 × 50,131.40
  4. Step 4: Simplify right side
    124,999.70x = 9,399,614,940.87
  5. Step 5: Solve for x
    x = 9,399,614,940.87/124,999.70
  6. Step 6: Final answer
    x = 75,197.10

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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.