Home / 159,115.52-219,579.12-91,154.50

Finding the Fourth Proportional to 159,115.52, 219,579.12 and 91,154.50

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Solution

The fourth proportional to 159,115.52, 219,579.12 and 91,154.50 is: 125,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,115.52 : 219,579.12 = 91,154.50 : x
  2. Step 2: Convert to fraction form
    159,115.52/219,579.12 = 91,154.50/x
  3. Step 3: Cross multiply
    159,115.52x = 219,579.12 × 91,154.50
  4. Step 4: Simplify right side
    159,115.52x = 20,015,624,345.09
  5. Step 5: Solve for x
    x = 20,015,624,345.09/159,115.52
  6. Step 6: Final answer
    x = 125,793.03

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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.