Home / 154,696.12-213,081.34-109,295.29

Finding the Fourth Proportional to 154,696.12, 213,081.34 and 109,295.29

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Solution

The fourth proportional to 154,696.12, 213,081.34 and 109,295.29 is: 150,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,696.12 : 213,081.34 = 109,295.29 : x
  2. Step 2: Convert to fraction form
    154,696.12/213,081.34 = 109,295.29/x
  3. Step 3: Cross multiply
    154,696.12x = 213,081.34 × 109,295.29
  4. Step 4: Simplify right side
    154,696.12x = 23,288,787,381.59
  5. Step 5: Solve for x
    x = 23,288,787,381.59/154,696.12
  6. Step 6: Final answer
    x = 150,545.39

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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.