Home / 154,429.35-231,644.03-65,660.55

Finding the Fourth Proportional to 154,429.35, 231,644.03 and 65,660.55

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Solution

The fourth proportional to 154,429.35, 231,644.03 and 65,660.55 is: 98,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,429.35 : 231,644.03 = 65,660.55 : x
  2. Step 2: Convert to fraction form
    154,429.35/231,644.03 = 65,660.55/x
  3. Step 3: Cross multiply
    154,429.35x = 231,644.03 × 65,660.55
  4. Step 4: Simplify right side
    154,429.35x = 15,209,874,085.71
  5. Step 5: Solve for x
    x = 15,209,874,085.71/154,429.35
  6. Step 6: Final answer
    x = 98,490.83

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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.