Home / 183,979.52-253,912.76-102,315.90

Finding the Fourth Proportional to 183,979.52, 253,912.76 and 102,315.90

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Solution

The fourth proportional to 183,979.52, 253,912.76 and 102,315.90 is: 141,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,979.52 : 253,912.76 = 102,315.90 : x
  2. Step 2: Convert to fraction form
    183,979.52/253,912.76 = 102,315.90/x
  3. Step 3: Cross multiply
    183,979.52x = 253,912.76 × 102,315.90
  4. Step 4: Simplify right side
    183,979.52x = 25,979,312,049.30
  5. Step 5: Solve for x
    x = 25,979,312,049.30/183,979.52
  6. Step 6: Final answer
    x = 141,207.63

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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.