Home / 99,327.60-148,876.20-40,124.40

Finding the Fourth Proportional to 99,327.60, 148,876.20 and 40,124.40

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Solution

The fourth proportional to 99,327.60, 148,876.20 and 40,124.40 is: 60,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.60 : 148,876.20 = 40,124.40 : x
  2. Step 2: Convert to fraction form
    99,327.60/148,876.20 = 40,124.40/x
  3. Step 3: Cross multiply
    99,327.60x = 148,876.20 × 40,124.40
  4. Step 4: Simplify right side
    99,327.60x = 5,973,568,199.28
  5. Step 5: Solve for x
    x = 5,973,568,199.28/99,327.60
  6. Step 6: Final answer
    x = 60,140.06

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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.