Home / 217,318.04-326,104.14-90,947.72

Finding the Fourth Proportional to 217,318.04, 326,104.14 and 90,947.72

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Solution

The fourth proportional to 217,318.04, 326,104.14 and 90,947.72 is: 136,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,318.04 : 326,104.14 = 90,947.72 : x
  2. Step 2: Convert to fraction form
    217,318.04/326,104.14 = 90,947.72/x
  3. Step 3: Cross multiply
    217,318.04x = 326,104.14 × 90,947.72
  4. Step 4: Simplify right side
    217,318.04x = 29,658,428,015.56
  5. Step 5: Solve for x
    x = 29,658,428,015.56/217,318.04
  6. Step 6: Final answer
    x = 136,474.76

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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.