Home / 217,670.04-326,443.08-84,521.88

Finding the Fourth Proportional to 217,670.04, 326,443.08 and 84,521.88

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Solution

The fourth proportional to 217,670.04, 326,443.08 and 84,521.88 is: 126,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,670.04 : 326,443.08 = 84,521.88 : x
  2. Step 2: Convert to fraction form
    217,670.04/326,443.08 = 84,521.88/x
  3. Step 3: Cross multiply
    217,670.04x = 326,443.08 × 84,521.88
  4. Step 4: Simplify right side
    217,670.04x = 27,591,582,834.59
  5. Step 5: Solve for x
    x = 27,591,582,834.59/217,670.04
  6. Step 6: Final answer
    x = 126,758.75

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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.