Home / 99,926.86-137,893.25-54,605.21

Finding the Fourth Proportional to 99,926.86, 137,893.25 and 54,605.21

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Solution

The fourth proportional to 99,926.86, 137,893.25 and 54,605.21 is: 75,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,926.86 : 137,893.25 = 54,605.21 : x
  2. Step 2: Convert to fraction form
    99,926.86/137,893.25 = 54,605.21/x
  3. Step 3: Cross multiply
    99,926.86x = 137,893.25 × 54,605.21
  4. Step 4: Simplify right side
    99,926.86x = 7,529,690,599.54
  5. Step 5: Solve for x
    x = 7,529,690,599.54/99,926.86
  6. Step 6: Final answer
    x = 75,352.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.