Home / 135,951.27-187,610.22-75,521.31

Finding the Fourth Proportional to 135,951.27, 187,610.22 and 75,521.31

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Solution

The fourth proportional to 135,951.27, 187,610.22 and 75,521.31 is: 104,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,951.27 : 187,610.22 = 75,521.31 : x
  2. Step 2: Convert to fraction form
    135,951.27/187,610.22 = 75,521.31/x
  3. Step 3: Cross multiply
    135,951.27x = 187,610.22 × 75,521.31
  4. Step 4: Simplify right side
    135,951.27x = 14,168,569,583.79
  5. Step 5: Solve for x
    x = 14,168,569,583.79/135,951.27
  6. Step 6: Final answer
    x = 104,218.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.