Home / 91,788.55-137,656.36-25,230.85

Finding the Fourth Proportional to 91,788.55, 137,656.36 and 25,230.85

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Solution

The fourth proportional to 91,788.55, 137,656.36 and 25,230.85 is: 37,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,788.55 : 137,656.36 = 25,230.85 : x
  2. Step 2: Convert to fraction form
    91,788.55/137,656.36 = 25,230.85/x
  3. Step 3: Cross multiply
    91,788.55x = 137,656.36 × 25,230.85
  4. Step 4: Simplify right side
    91,788.55x = 3,473,186,970.71
  5. Step 5: Solve for x
    x = 3,473,186,970.71/91,788.55
  6. Step 6: Final answer
    x = 37,839.00

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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.