Home / 154,570.45-231,812.85-54,717.49

Finding the Fourth Proportional to 154,570.45, 231,812.85 and 54,717.49

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Solution

The fourth proportional to 154,570.45, 231,812.85 and 54,717.49 is: 82,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,570.45 : 231,812.85 = 54,717.49 : x
  2. Step 2: Convert to fraction form
    154,570.45/231,812.85 = 54,717.49/x
  3. Step 3: Cross multiply
    154,570.45x = 231,812.85 × 54,717.49
  4. Step 4: Simplify right side
    154,570.45x = 12,684,217,301.75
  5. Step 5: Solve for x
    x = 12,684,217,301.75/154,570.45
  6. Step 6: Final answer
    x = 82,061.08

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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.