Home / 91,546.86-137,209.40-38,845.63

Finding the Fourth Proportional to 91,546.86, 137,209.40 and 38,845.63

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Solution

The fourth proportional to 91,546.86, 137,209.40 and 38,845.63 is: 58,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,546.86 : 137,209.40 = 38,845.63 : x
  2. Step 2: Convert to fraction form
    91,546.86/137,209.40 = 38,845.63/x
  3. Step 3: Cross multiply
    91,546.86x = 137,209.40 × 38,845.63
  4. Step 4: Simplify right side
    91,546.86x = 5,329,985,339.01
  5. Step 5: Solve for x
    x = 5,329,985,339.01/91,546.86
  6. Step 6: Final answer
    x = 58,221.39

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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.