Home / 154,131.39-231,328.31-60,702.75

Finding the Fourth Proportional to 154,131.39, 231,328.31 and 60,702.75

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Solution

The fourth proportional to 154,131.39, 231,328.31 and 60,702.75 is: 91,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,131.39 : 231,328.31 = 60,702.75 : x
  2. Step 2: Convert to fraction form
    154,131.39/231,328.31 = 60,702.75/x
  3. Step 3: Cross multiply
    154,131.39x = 231,328.31 × 60,702.75
  4. Step 4: Simplify right side
    154,131.39x = 14,042,264,266.34
  5. Step 5: Solve for x
    x = 14,042,264,266.34/154,131.39
  6. Step 6: Final answer
    x = 91,105.80

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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.