Home / 149,481.59-206,292.78-85,823.46

Finding the Fourth Proportional to 149,481.59, 206,292.78 and 85,823.46

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Solution

The fourth proportional to 149,481.59, 206,292.78 and 85,823.46 is: 118,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,481.59 : 206,292.78 = 85,823.46 : x
  2. Step 2: Convert to fraction form
    149,481.59/206,292.78 = 85,823.46/x
  3. Step 3: Cross multiply
    149,481.59x = 206,292.78 × 85,823.46
  4. Step 4: Simplify right side
    149,481.59x = 17,704,760,152.62
  5. Step 5: Solve for x
    x = 17,704,760,152.62/149,481.59
  6. Step 6: Final answer
    x = 118,441.08

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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.