Home / 91,616.40-137,424.60-50,144.40

Finding the Fourth Proportional to 91,616.40, 137,424.60 and 50,144.40

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Solution

The fourth proportional to 91,616.40, 137,424.60 and 50,144.40 is: 75,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,616.40 : 137,424.60 = 50,144.40 : x
  2. Step 2: Convert to fraction form
    91,616.40/137,424.60 = 50,144.40/x
  3. Step 3: Cross multiply
    91,616.40x = 137,424.60 × 50,144.40
  4. Step 4: Simplify right side
    91,616.40x = 6,891,074,112.24
  5. Step 5: Solve for x
    x = 6,891,074,112.24/91,616.40
  6. Step 6: Final answer
    x = 75,216.60

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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.