Home / 149,819.52-206,750.92-86,155.92

Finding the Fourth Proportional to 149,819.52, 206,750.92 and 86,155.92

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Solution

The fourth proportional to 149,819.52, 206,750.92 and 86,155.92 is: 118,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,819.52 : 206,750.92 = 86,155.92 : x
  2. Step 2: Convert to fraction form
    149,819.52/206,750.92 = 86,155.92/x
  3. Step 3: Cross multiply
    149,819.52x = 206,750.92 × 86,155.92
  4. Step 4: Simplify right side
    149,819.52x = 17,812,815,723.45
  5. Step 5: Solve for x
    x = 17,812,815,723.45/149,819.52
  6. Step 6: Final answer
    x = 118,895.16

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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.