Home / 109,604.33-151,250.91-61,862.12

Finding the Fourth Proportional to 109,604.33, 151,250.91 and 61,862.12

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Solution

The fourth proportional to 109,604.33, 151,250.91 and 61,862.12 is: 85,367.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,604.33 : 151,250.91 = 61,862.12 : x
  2. Step 2: Convert to fraction form
    109,604.33/151,250.91 = 61,862.12/x
  3. Step 3: Cross multiply
    109,604.33x = 151,250.91 × 61,862.12
  4. Step 4: Simplify right side
    109,604.33x = 9,356,701,188.27
  5. Step 5: Solve for x
    x = 9,356,701,188.27/109,604.33
  6. Step 6: Final answer
    x = 85,367.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.