Home / 91,868.24-137,800.20-25,307.84

Finding the Fourth Proportional to 91,868.24, 137,800.20 and 25,307.84

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Solution

The fourth proportional to 91,868.24, 137,800.20 and 25,307.84 is: 37,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868.24 : 137,800.20 = 25,307.84 : x
  2. Step 2: Convert to fraction form
    91,868.24/137,800.20 = 25,307.84/x
  3. Step 3: Cross multiply
    91,868.24x = 137,800.20 × 25,307.84
  4. Step 4: Simplify right side
    91,868.24x = 3,487,425,413.57
  5. Step 5: Solve for x
    x = 3,487,425,413.57/91,868.24
  6. Step 6: Final answer
    x = 37,961.16

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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.