Home / 91,764.84-137,622.30-25,189.20

Finding the Fourth Proportional to 91,764.84, 137,622.30 and 25,189.20

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Solution

The fourth proportional to 91,764.84, 137,622.30 and 25,189.20 is: 37,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,764.84 : 137,622.30 = 25,189.20 : x
  2. Step 2: Convert to fraction form
    91,764.84/137,622.30 = 25,189.20/x
  3. Step 3: Cross multiply
    91,764.84x = 137,622.30 × 25,189.20
  4. Step 4: Simplify right side
    91,764.84x = 3,466,595,639.16
  5. Step 5: Solve for x
    x = 3,466,595,639.16/91,764.84
  6. Step 6: Final answer
    x = 37,776.95

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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.