Home / 91,928.68-137,890.26-25,372.81

Finding the Fourth Proportional to 91,928.68, 137,890.26 and 25,372.81

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Solution

The fourth proportional to 91,928.68, 137,890.26 and 25,372.81 is: 38,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,928.68 : 137,890.26 = 25,372.81 : x
  2. Step 2: Convert to fraction form
    91,928.68/137,890.26 = 25,372.81/x
  3. Step 3: Cross multiply
    91,928.68x = 137,890.26 × 25,372.81
  4. Step 4: Simplify right side
    91,928.68x = 3,498,663,367.83
  5. Step 5: Solve for x
    x = 3,498,663,367.83/91,928.68
  6. Step 6: Final answer
    x = 38,058.45

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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.