Home / 91,439.92-137,165.23-35,280.33

Finding the Fourth Proportional to 91,439.92, 137,165.23 and 35,280.33

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Solution

The fourth proportional to 91,439.92, 137,165.23 and 35,280.33 is: 52,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,439.92 : 137,165.23 = 35,280.33 : x
  2. Step 2: Convert to fraction form
    91,439.92/137,165.23 = 35,280.33/x
  3. Step 3: Cross multiply
    91,439.92x = 137,165.23 × 35,280.33
  4. Step 4: Simplify right side
    91,439.92x = 4,839,234,108.66
  5. Step 5: Solve for x
    x = 4,839,234,108.66/91,439.92
  6. Step 6: Final answer
    x = 52,922.55

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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.