Home / 149,856.24-206,823.27-89,429.43

Finding the Fourth Proportional to 149,856.24, 206,823.27 and 89,429.43

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Solution

The fourth proportional to 149,856.24, 206,823.27 and 89,429.43 is: 123,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,856.24 : 206,823.27 = 89,429.43 : x
  2. Step 2: Convert to fraction form
    149,856.24/206,823.27 = 89,429.43/x
  3. Step 3: Cross multiply
    149,856.24x = 206,823.27 × 89,429.43
  4. Step 4: Simplify right side
    149,856.24x = 18,496,087,146.84
  5. Step 5: Solve for x
    x = 18,496,087,146.84/149,856.24
  6. Step 6: Final answer
    x = 123,425.54

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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.