Home / 112,217.13-154,862.88-61,919.37

Finding the Fourth Proportional to 112,217.13, 154,862.88 and 61,919.37

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Solution

The fourth proportional to 112,217.13, 154,862.88 and 61,919.37 is: 85,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,217.13 : 154,862.88 = 61,919.37 : x
  2. Step 2: Convert to fraction form
    112,217.13/154,862.88 = 61,919.37/x
  3. Step 3: Cross multiply
    112,217.13x = 154,862.88 × 61,919.37
  4. Step 4: Simplify right side
    112,217.13x = 9,589,010,882.07
  5. Step 5: Solve for x
    x = 9,589,010,882.07/112,217.13
  6. Step 6: Final answer
    x = 85,450.51

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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.