Home / 217,579.71-326,385.38-91,092.75

Finding the Fourth Proportional to 217,579.71, 326,385.38 and 91,092.75

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Solution

The fourth proportional to 217,579.71, 326,385.38 and 91,092.75 is: 136,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.71 : 326,385.38 = 91,092.75 : x
  2. Step 2: Convert to fraction form
    217,579.71/326,385.38 = 91,092.75/x
  3. Step 3: Cross multiply
    217,579.71x = 326,385.38 × 91,092.75
  4. Step 4: Simplify right side
    217,579.71x = 29,731,341,368.53
  5. Step 5: Solve for x
    x = 29,731,341,368.53/217,579.71
  6. Step 6: Final answer
    x = 136,645.74

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1.5x scale

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.