Home / 135,939.60-203,909.40-93,949.20

Finding the Fourth Proportional to 135,939.60, 203,909.40 and 93,949.20

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Solution

The fourth proportional to 135,939.60, 203,909.40 and 93,949.20 is: 140,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,939.60 : 203,909.40 = 93,949.20 : x
  2. Step 2: Convert to fraction form
    135,939.60/203,909.40 = 93,949.20/x
  3. Step 3: Cross multiply
    135,939.60x = 203,909.40 × 93,949.20
  4. Step 4: Simplify right side
    135,939.60x = 19,157,125,002.48
  5. Step 5: Solve for x
    x = 19,157,125,002.48/135,939.60
  6. Step 6: Final answer
    x = 140,923.80

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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.