Home / 179,046.70-268,246.05-85,345.90

Finding the Fourth Proportional to 179,046.70, 268,246.05 and 85,345.90

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Solution

The fourth proportional to 179,046.70, 268,246.05 and 85,345.90 is: 127,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,046.70 : 268,246.05 = 85,345.90 : x
  2. Step 2: Convert to fraction form
    179,046.70/268,246.05 = 85,345.90/x
  3. Step 3: Cross multiply
    179,046.70x = 268,246.05 × 85,345.90
  4. Step 4: Simplify right side
    179,046.70x = 22,893,700,558.70
  5. Step 5: Solve for x
    x = 22,893,700,558.70/179,046.70
  6. Step 6: Final answer
    x = 127,864.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.