Home / 137,932.56-205,691.80-136,671.37

Finding the Fourth Proportional to 137,932.56, 205,691.80 and 136,671.37

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Solution

The fourth proportional to 137,932.56, 205,691.80 and 136,671.37 is: 203,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,932.56 : 205,691.80 = 136,671.37 : x
  2. Step 2: Convert to fraction form
    137,932.56/205,691.80 = 136,671.37/x
  3. Step 3: Cross multiply
    137,932.56x = 205,691.80 × 136,671.37
  4. Step 4: Simplify right side
    137,932.56x = 28,112,180,103.77
  5. Step 5: Solve for x
    x = 28,112,180,103.77/137,932.56
  6. Step 6: Final answer
    x = 203,811.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.