Home / 91,867.50-137,834.06-45,153.18

Finding the Fourth Proportional to 91,867.50, 137,834.06 and 45,153.18

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Solution

The fourth proportional to 91,867.50, 137,834.06 and 45,153.18 is: 67,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867.50 : 137,834.06 = 45,153.18 : x
  2. Step 2: Convert to fraction form
    91,867.50/137,834.06 = 45,153.18/x
  3. Step 3: Cross multiply
    91,867.50x = 137,834.06 × 45,153.18
  4. Step 4: Simplify right side
    91,867.50x = 6,223,645,895.54
  5. Step 5: Solve for x
    x = 6,223,645,895.54/91,867.50
  6. Step 6: Final answer
    x = 67,745.89

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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.