Home / 137,013.80-205,326.30-101,195.60

Finding the Fourth Proportional to 137,013.80, 205,326.30 and 101,195.60

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Solution

The fourth proportional to 137,013.80, 205,326.30 and 101,195.60 is: 151,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,013.80 : 205,326.30 = 101,195.60 : x
  2. Step 2: Convert to fraction form
    137,013.80/205,326.30 = 101,195.60/x
  3. Step 3: Cross multiply
    137,013.80x = 205,326.30 × 101,195.60
  4. Step 4: Simplify right side
    137,013.80x = 20,778,118,124.28
  5. Step 5: Solve for x
    x = 20,778,118,124.28/137,013.80
  6. Step 6: Final answer
    x = 151,649.82

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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.