Home / 217,432.53-326,260.13-99,088.65

Finding the Fourth Proportional to 217,432.53, 326,260.13 and 99,088.65

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Solution

The fourth proportional to 217,432.53, 326,260.13 and 99,088.65 is: 148,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,432.53 : 326,260.13 = 99,088.65 : x
  2. Step 2: Convert to fraction form
    217,432.53/326,260.13 = 99,088.65/x
  3. Step 3: Cross multiply
    217,432.53x = 326,260.13 × 99,088.65
  4. Step 4: Simplify right side
    217,432.53x = 32,328,675,335.08
  5. Step 5: Solve for x
    x = 32,328,675,335.08/217,432.53
  6. Step 6: Final answer
    x = 148,683.71

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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.