Home / 91,441.78-137,148.81-24,887.09

Finding the Fourth Proportional to 91,441.78, 137,148.81 and 24,887.09

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Solution

The fourth proportional to 91,441.78, 137,148.81 and 24,887.09 is: 37,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,441.78 : 137,148.81 = 24,887.09 : x
  2. Step 2: Convert to fraction form
    91,441.78/137,148.81 = 24,887.09/x
  3. Step 3: Cross multiply
    91,441.78x = 137,148.81 × 24,887.09
  4. Step 4: Simplify right side
    91,441.78x = 3,413,235,229.95
  5. Step 5: Solve for x
    x = 3,413,235,229.95/91,441.78
  6. Step 6: Final answer
    x = 37,326.87

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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.