Home / 217,711.59-326,579.54-67,972.56

Finding the Fourth Proportional to 217,711.59, 326,579.54 and 67,972.56

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Solution

The fourth proportional to 217,711.59, 326,579.54 and 67,972.56 is: 101,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,711.59 : 326,579.54 = 67,972.56 : x
  2. Step 2: Convert to fraction form
    217,711.59/326,579.54 = 67,972.56/x
  3. Step 3: Cross multiply
    217,711.59x = 326,579.54 × 67,972.56
  4. Step 4: Simplify right side
    217,711.59x = 22,198,447,037.56
  5. Step 5: Solve for x
    x = 22,198,447,037.56/217,711.59
  6. Step 6: Final answer
    x = 101,962.63

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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.