Home / 217,587.94-326,397.18-91,100.52

Finding the Fourth Proportional to 217,587.94, 326,397.18 and 91,100.52

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Solution

The fourth proportional to 217,587.94, 326,397.18 and 91,100.52 is: 136,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,587.94 : 326,397.18 = 91,100.52 : x
  2. Step 2: Convert to fraction form
    217,587.94/326,397.18 = 91,100.52/x
  3. Step 3: Cross multiply
    217,587.94x = 326,397.18 × 91,100.52
  4. Step 4: Simplify right side
    217,587.94x = 29,734,952,824.53
  5. Step 5: Solve for x
    x = 29,734,952,824.53/217,587.94
  6. Step 6: Final answer
    x = 136,657.17

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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.