Home / 91,890.52-137,835.78-26,226.52

Finding the Fourth Proportional to 91,890.52, 137,835.78 and 26,226.52

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Solution

The fourth proportional to 91,890.52, 137,835.78 and 26,226.52 is: 39,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,890.52 : 137,835.78 = 26,226.52 : x
  2. Step 2: Convert to fraction form
    91,890.52/137,835.78 = 26,226.52/x
  3. Step 3: Cross multiply
    91,890.52x = 137,835.78 × 26,226.52
  4. Step 4: Simplify right side
    91,890.52x = 3,614,952,840.89
  5. Step 5: Solve for x
    x = 3,614,952,840.89/91,890.52
  6. Step 6: Final answer
    x = 39,339.78

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Similar ratio
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1.5x scale

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.