Home / 91,943.52-137,923.23-25,383.66

Finding the Fourth Proportional to 91,943.52, 137,923.23 and 25,383.66

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Solution

The fourth proportional to 91,943.52, 137,923.23 and 25,383.66 is: 38,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,943.52 : 137,923.23 = 25,383.66 : x
  2. Step 2: Convert to fraction form
    91,943.52/137,923.23 = 25,383.66/x
  3. Step 3: Cross multiply
    91,943.52x = 137,923.23 × 25,383.66
  4. Step 4: Simplify right side
    91,943.52x = 3,500,996,376.42
  5. Step 5: Solve for x
    x = 3,500,996,376.42/91,943.52
  6. Step 6: Final answer
    x = 38,077.68

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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.