Home / 91,788.06-137,655.60-25,230.36

Finding the Fourth Proportional to 91,788.06, 137,655.60 and 25,230.36

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Solution

The fourth proportional to 91,788.06, 137,655.60 and 25,230.36 is: 37,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,788.06 : 137,655.60 = 25,230.36 : x
  2. Step 2: Convert to fraction form
    91,788.06/137,655.60 = 25,230.36/x
  3. Step 3: Cross multiply
    91,788.06x = 137,655.60 × 25,230.36
  4. Step 4: Simplify right side
    91,788.06x = 3,473,100,344.02
  5. Step 5: Solve for x
    x = 3,473,100,344.02/91,788.06
  6. Step 6: Final answer
    x = 37,838.26

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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.