Home / 99,179.60-148,769.40-36,837.20

Finding the Fourth Proportional to 99,179.60, 148,769.40 and 36,837.20

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Solution

The fourth proportional to 99,179.60, 148,769.40 and 36,837.20 is: 55,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,179.60 : 148,769.40 = 36,837.20 : x
  2. Step 2: Convert to fraction form
    99,179.60/148,769.40 = 36,837.20/x
  3. Step 3: Cross multiply
    99,179.60x = 148,769.40 × 36,837.20
  4. Step 4: Simplify right side
    99,179.60x = 5,480,248,141.68
  5. Step 5: Solve for x
    x = 5,480,248,141.68/99,179.60
  6. Step 6: Final answer
    x = 55,255.80

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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.