Home / 149,523.68-206,332.24-84,122.36

Finding the Fourth Proportional to 149,523.68, 206,332.24 and 84,122.36

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Solution

The fourth proportional to 149,523.68, 206,332.24 and 84,122.36 is: 116,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,523.68 : 206,332.24 = 84,122.36 : x
  2. Step 2: Convert to fraction form
    149,523.68/206,332.24 = 84,122.36/x
  3. Step 3: Cross multiply
    149,523.68x = 206,332.24 × 84,122.36
  4. Step 4: Simplify right side
    149,523.68x = 17,357,154,972.89
  5. Step 5: Solve for x
    x = 17,357,154,972.89/149,523.68
  6. Step 6: Final answer
    x = 116,082.98

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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.