Home / 99,325.60-148,873.20-40,122.40

Finding the Fourth Proportional to 99,325.60, 148,873.20 and 40,122.40

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Solution

The fourth proportional to 99,325.60, 148,873.20 and 40,122.40 is: 60,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,325.60 : 148,873.20 = 40,122.40 : x
  2. Step 2: Convert to fraction form
    99,325.60/148,873.20 = 40,122.40/x
  3. Step 3: Cross multiply
    99,325.60x = 148,873.20 × 40,122.40
  4. Step 4: Simplify right side
    99,325.60x = 5,973,150,079.68
  5. Step 5: Solve for x
    x = 5,973,150,079.68/99,325.60
  6. Step 6: Final answer
    x = 60,137.07

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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.