Home / 244,987.20-338,061.60-137,548.80

Finding the Fourth Proportional to 244,987.20, 338,061.60 and 137,548.80

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Solution

The fourth proportional to 244,987.20, 338,061.60 and 137,548.80 is: 189,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,987.20 : 338,061.60 = 137,548.80 : x
  2. Step 2: Convert to fraction form
    244,987.20/338,061.60 = 137,548.80/x
  3. Step 3: Cross multiply
    244,987.20x = 338,061.60 × 137,548.80
  4. Step 4: Simplify right side
    244,987.20x = 46,499,967,406.08
  5. Step 5: Solve for x
    x = 46,499,967,406.08/244,987.20
  6. Step 6: Final answer
    x = 189,805.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.