Home / 91,738.38-137,607.75-25,179.42

Finding the Fourth Proportional to 91,738.38, 137,607.75 and 25,179.42

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Solution

The fourth proportional to 91,738.38, 137,607.75 and 25,179.42 is: 37,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,738.38 : 137,607.75 = 25,179.42 : x
  2. Step 2: Convert to fraction form
    91,738.38/137,607.75 = 25,179.42/x
  3. Step 3: Cross multiply
    91,738.38x = 137,607.75 × 25,179.42
  4. Step 4: Simplify right side
    91,738.38x = 3,464,883,332.51
  5. Step 5: Solve for x
    x = 3,464,883,332.51/91,738.38
  6. Step 6: Final answer
    x = 37,769.18

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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.