Home / 217,589.92-326,400.18-91,102.52

Finding the Fourth Proportional to 217,589.92, 326,400.18 and 91,102.52

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Solution

The fourth proportional to 217,589.92, 326,400.18 and 91,102.52 is: 136,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,589.92 : 326,400.18 = 91,102.52 : x
  2. Step 2: Convert to fraction form
    217,589.92/326,400.18 = 91,102.52/x
  3. Step 3: Cross multiply
    217,589.92x = 326,400.18 × 91,102.52
  4. Step 4: Simplify right side
    217,589.92x = 29,735,878,926.45
  5. Step 5: Solve for x
    x = 29,735,878,926.45/217,589.92
  6. Step 6: Final answer
    x = 136,660.19

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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.