Home / 99,269.42-148,931.92-40,146.60

Finding the Fourth Proportional to 99,269.42, 148,931.92 and 40,146.60

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Solution

The fourth proportional to 99,269.42, 148,931.92 and 40,146.60 is: 60,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,269.42 : 148,931.92 = 40,146.60 : x
  2. Step 2: Convert to fraction form
    99,269.42/148,931.92 = 40,146.60/x
  3. Step 3: Cross multiply
    99,269.42x = 148,931.92 × 40,146.60
  4. Step 4: Simplify right side
    99,269.42x = 5,979,110,219.47
  5. Step 5: Solve for x
    x = 5,979,110,219.47/99,269.42
  6. Step 6: Final answer
    x = 60,231.14

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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.