Home / 159,095.43-219,552.52-87,480.07

Finding the Fourth Proportional to 159,095.43, 219,552.52 and 87,480.07

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Solution

The fourth proportional to 159,095.43, 219,552.52 and 87,480.07 is: 120,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,095.43 : 219,552.52 = 87,480.07 : x
  2. Step 2: Convert to fraction form
    159,095.43/219,552.52 = 87,480.07/x
  3. Step 3: Cross multiply
    159,095.43x = 219,552.52 × 87,480.07
  4. Step 4: Simplify right side
    159,095.43x = 19,206,469,818.28
  5. Step 5: Solve for x
    x = 19,206,469,818.28/159,095.43
  6. Step 6: Final answer
    x = 120,722.95

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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.