Home / 91,672.11-137,508.28-25,112.82

Finding the Fourth Proportional to 91,672.11, 137,508.28 and 25,112.82

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Solution

The fourth proportional to 91,672.11, 137,508.28 and 25,112.82 is: 37,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,672.11 : 137,508.28 = 25,112.82 : x
  2. Step 2: Convert to fraction form
    91,672.11/137,508.28 = 25,112.82/x
  3. Step 3: Cross multiply
    91,672.11x = 137,508.28 × 25,112.82
  4. Step 4: Simplify right side
    91,672.11x = 3,453,219,933.83
  5. Step 5: Solve for x
    x = 3,453,219,933.83/91,672.11
  6. Step 6: Final answer
    x = 37,669.25

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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.