Home / 91,815.18-137,723.38-25,262.34

Finding the Fourth Proportional to 91,815.18, 137,723.38 and 25,262.34

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Solution

The fourth proportional to 91,815.18, 137,723.38 and 25,262.34 is: 37,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,815.18 : 137,723.38 = 25,262.34 : x
  2. Step 2: Convert to fraction form
    91,815.18/137,723.38 = 25,262.34/x
  3. Step 3: Cross multiply
    91,815.18x = 137,723.38 × 25,262.34
  4. Step 4: Simplify right side
    91,815.18x = 3,479,214,788.35
  5. Step 5: Solve for x
    x = 3,479,214,788.35/91,815.18
  6. Step 6: Final answer
    x = 37,893.68

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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.