Home / 231,082.20-318,722.85-146,117.25

Finding the Fourth Proportional to 231,082.20, 318,722.85 and 146,117.25

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Solution

The fourth proportional to 231,082.20, 318,722.85 and 146,117.25 is: 201,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,082.20 : 318,722.85 = 146,117.25 : x
  2. Step 2: Convert to fraction form
    231,082.20/318,722.85 = 146,117.25/x
  3. Step 3: Cross multiply
    231,082.20x = 318,722.85 × 146,117.25
  4. Step 4: Simplify right side
    231,082.20x = 46,570,906,354.16
  5. Step 5: Solve for x
    x = 46,570,906,354.16/231,082.20
  6. Step 6: Final answer
    x = 201,533.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.