Home / 154,623.47-231,716.48-65,787.53

Finding the Fourth Proportional to 154,623.47, 231,716.48 and 65,787.53

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Solution

The fourth proportional to 154,623.47, 231,716.48 and 65,787.53 is: 98,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,623.47 : 231,716.48 = 65,787.53 : x
  2. Step 2: Convert to fraction form
    154,623.47/231,716.48 = 65,787.53/x
  3. Step 3: Cross multiply
    154,623.47x = 231,716.48 × 65,787.53
  4. Step 4: Simplify right side
    154,623.47x = 15,244,053,391.97
  5. Step 5: Solve for x
    x = 15,244,053,391.97/154,623.47
  6. Step 6: Final answer
    x = 98,588.23

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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.