Home / 146,480.68-219,738.60-51,691.29

Finding the Fourth Proportional to 146,480.68, 219,738.60 and 51,691.29

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Solution

The fourth proportional to 146,480.68, 219,738.60 and 51,691.29 is: 77,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,480.68 : 219,738.60 = 51,691.29 : x
  2. Step 2: Convert to fraction form
    146,480.68/219,738.60 = 51,691.29/x
  3. Step 3: Cross multiply
    146,480.68x = 219,738.60 × 51,691.29
  4. Step 4: Simplify right side
    146,480.68x = 11,358,571,345.41
  5. Step 5: Solve for x
    x = 11,358,571,345.41/146,480.68
  6. Step 6: Final answer
    x = 77,543.14

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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.