Home / 216,581.40-298,974.46-131,725.72

Finding the Fourth Proportional to 216,581.40, 298,974.46 and 131,725.72

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Solution

The fourth proportional to 216,581.40, 298,974.46 and 131,725.72 is: 181,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,581.40 : 298,974.46 = 131,725.72 : x
  2. Step 2: Convert to fraction form
    216,581.40/298,974.46 = 131,725.72/x
  3. Step 3: Cross multiply
    216,581.40x = 298,974.46 × 131,725.72
  4. Step 4: Simplify right side
    216,581.40x = 39,382,626,005.11
  5. Step 5: Solve for x
    x = 39,382,626,005.11/216,581.40
  6. Step 6: Final answer
    x = 181,837.53

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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.