Home / 91,697.82-137,558.97-36,280.86

Finding the Fourth Proportional to 91,697.82, 137,558.97 and 36,280.86

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Solution

The fourth proportional to 91,697.82, 137,558.97 and 36,280.86 is: 54,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,697.82 : 137,558.97 = 36,280.86 : x
  2. Step 2: Convert to fraction form
    91,697.82/137,558.97 = 36,280.86/x
  3. Step 3: Cross multiply
    91,697.82x = 137,558.97 × 36,280.86
  4. Step 4: Simplify right side
    91,697.82x = 4,990,757,732.31
  5. Step 5: Solve for x
    x = 4,990,757,732.31/91,697.82
  6. Step 6: Final answer
    x = 54,426.13

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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.