Home / 149,288.24-206,032.32-111,496.88

Finding the Fourth Proportional to 149,288.24, 206,032.32 and 111,496.88

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Solution

The fourth proportional to 149,288.24, 206,032.32 and 111,496.88 is: 153,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288.24 : 206,032.32 = 111,496.88 : x
  2. Step 2: Convert to fraction form
    149,288.24/206,032.32 = 111,496.88/x
  3. Step 3: Cross multiply
    149,288.24x = 206,032.32 × 111,496.88
  4. Step 4: Simplify right side
    149,288.24x = 22,971,960,859.16
  5. Step 5: Solve for x
    x = 22,971,960,859.16/149,288.24
  6. Step 6: Final answer
    x = 153,876.56

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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.