Home / 91,823.70-137,727.45-25,257.90

Finding the Fourth Proportional to 91,823.70, 137,727.45 and 25,257.90

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Solution

The fourth proportional to 91,823.70, 137,727.45 and 25,257.90 is: 37,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,823.70 : 137,727.45 = 25,257.90 : x
  2. Step 2: Convert to fraction form
    91,823.70/137,727.45 = 25,257.90/x
  3. Step 3: Cross multiply
    91,823.70x = 137,727.45 × 25,257.90
  4. Step 4: Simplify right side
    91,823.70x = 3,478,706,159.36
  5. Step 5: Solve for x
    x = 3,478,706,159.36/91,823.70
  6. Step 6: Final answer
    x = 37,884.62

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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.