Home / 124,939.40-187,409.10-36,195.80

Finding the Fourth Proportional to 124,939.40, 187,409.10 and 36,195.80

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Solution

The fourth proportional to 124,939.40, 187,409.10 and 36,195.80 is: 54,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939.40 : 187,409.10 = 36,195.80 : x
  2. Step 2: Convert to fraction form
    124,939.40/187,409.10 = 36,195.80/x
  3. Step 3: Cross multiply
    124,939.40x = 187,409.10 × 36,195.80
  4. Step 4: Simplify right side
    124,939.40x = 6,783,422,301.78
  5. Step 5: Solve for x
    x = 6,783,422,301.78/124,939.40
  6. Step 6: Final answer
    x = 54,293.70

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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.