Home / 154,214.16-231,356.07-54,381.66

Finding the Fourth Proportional to 154,214.16, 231,356.07 and 54,381.66

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Solution

The fourth proportional to 154,214.16, 231,356.07 and 54,381.66 is: 81,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,214.16 : 231,356.07 = 54,381.66 : x
  2. Step 2: Convert to fraction form
    154,214.16/231,356.07 = 54,381.66/x
  3. Step 3: Cross multiply
    154,214.16x = 231,356.07 × 54,381.66
  4. Step 4: Simplify right side
    154,214.16x = 12,581,527,137.68
  5. Step 5: Solve for x
    x = 12,581,527,137.68/154,214.16
  6. Step 6: Final answer
    x = 81,584.77

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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.