Home / 103,331.60-155,094.42-50,778.80

Finding the Fourth Proportional to 103,331.60, 155,094.42 and 50,778.80

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Solution

The fourth proportional to 103,331.60, 155,094.42 and 50,778.80 is: 76,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.60 : 155,094.42 = 50,778.80 : x
  2. Step 2: Convert to fraction form
    103,331.60/155,094.42 = 50,778.80/x
  3. Step 3: Cross multiply
    103,331.60x = 155,094.42 × 50,778.80
  4. Step 4: Simplify right side
    103,331.60x = 7,875,508,534.30
  5. Step 5: Solve for x
    x = 7,875,508,534.30/103,331.60
  6. Step 6: Final answer
    x = 76,215.88

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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.