Home / 146,979.52-220,360.74-47,081.92

Finding the Fourth Proportional to 146,979.52, 220,360.74 and 47,081.92

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Solution

The fourth proportional to 146,979.52, 220,360.74 and 47,081.92 is: 70,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,979.52 : 220,360.74 = 47,081.92 : x
  2. Step 2: Convert to fraction form
    146,979.52/220,360.74 = 47,081.92/x
  3. Step 3: Cross multiply
    146,979.52x = 220,360.74 × 47,081.92
  4. Step 4: Simplify right side
    146,979.52x = 10,375,006,731.82
  5. Step 5: Solve for x
    x = 10,375,006,731.82/146,979.52
  6. Step 6: Final answer
    x = 70,588.11

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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.