Home / 137,112.30-205,668.45-124,865.10

Finding the Fourth Proportional to 137,112.30, 205,668.45 and 124,865.10

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Solution

The fourth proportional to 137,112.30, 205,668.45 and 124,865.10 is: 187,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,112.30 : 205,668.45 = 124,865.10 : x
  2. Step 2: Convert to fraction form
    137,112.30/205,668.45 = 124,865.10/x
  3. Step 3: Cross multiply
    137,112.30x = 205,668.45 × 124,865.10
  4. Step 4: Simplify right side
    137,112.30x = 25,680,811,576.10
  5. Step 5: Solve for x
    x = 25,680,811,576.10/137,112.30
  6. Step 6: Final answer
    x = 187,297.65

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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.