Home / 253,669.05-350,062.56-140,491.80

Finding the Fourth Proportional to 253,669.05, 350,062.56 and 140,491.80

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Solution

The fourth proportional to 253,669.05, 350,062.56 and 140,491.80 is: 193,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,669.05 : 350,062.56 = 140,491.80 : x
  2. Step 2: Convert to fraction form
    253,669.05/350,062.56 = 140,491.80/x
  3. Step 3: Cross multiply
    253,669.05x = 350,062.56 × 140,491.80
  4. Step 4: Simplify right side
    253,669.05x = 49,180,919,167.01
  5. Step 5: Solve for x
    x = 49,180,919,167.01/253,669.05
  6. Step 6: Final answer
    x = 193,878.28

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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.