Home / 63,194.31-87,225.57-39,306.78

Finding the Fourth Proportional to 63,194.31, 87,225.57 and 39,306.78

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Solution

The fourth proportional to 63,194.31, 87,225.57 and 39,306.78 is: 54,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,194.31 : 87,225.57 = 39,306.78 : x
  2. Step 2: Convert to fraction form
    63,194.31/87,225.57 = 39,306.78/x
  3. Step 3: Cross multiply
    63,194.31x = 87,225.57 × 39,306.78
  4. Step 4: Simplify right side
    63,194.31x = 3,428,556,290.36
  5. Step 5: Solve for x
    x = 3,428,556,290.36/63,194.31
  6. Step 6: Final answer
    x = 54,254.19

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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.