Home / 91,984.67-137,952.28-25,409.15

Finding the Fourth Proportional to 91,984.67, 137,952.28 and 25,409.15

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Solution

The fourth proportional to 91,984.67, 137,952.28 and 25,409.15 is: 38,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,984.67 : 137,952.28 = 25,409.15 : x
  2. Step 2: Convert to fraction form
    91,984.67/137,952.28 = 25,409.15/x
  3. Step 3: Cross multiply
    91,984.67x = 137,952.28 × 25,409.15
  4. Step 4: Simplify right side
    91,984.67x = 3,505,250,175.36
  5. Step 5: Solve for x
    x = 3,505,250,175.36/91,984.67
  6. Step 6: Final answer
    x = 38,106.90

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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.