Home / 154,551.20-231,837.60-61,044.80

Finding the Fourth Proportional to 154,551.20, 231,837.60 and 61,044.80

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Solution

The fourth proportional to 154,551.20, 231,837.60 and 61,044.80 is: 91,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,551.20 : 231,837.60 = 61,044.80 : x
  2. Step 2: Convert to fraction form
    154,551.20/231,837.60 = 61,044.80/x
  3. Step 3: Cross multiply
    154,551.20x = 231,837.60 × 61,044.80
  4. Step 4: Simplify right side
    154,551.20x = 14,152,479,924.48
  5. Step 5: Solve for x
    x = 14,152,479,924.48/154,551.20
  6. Step 6: Final answer
    x = 91,571.47

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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.