Home / 193,319.75-266,780.71-107,291.72

Finding the Fourth Proportional to 193,319.75, 266,780.71 and 107,291.72

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Solution

The fourth proportional to 193,319.75, 266,780.71 and 107,291.72 is: 148,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,319.75 : 266,780.71 = 107,291.72 : x
  2. Step 2: Convert to fraction form
    193,319.75/266,780.71 = 107,291.72/x
  3. Step 3: Cross multiply
    193,319.75x = 266,780.71 × 107,291.72
  4. Step 4: Simplify right side
    193,319.75x = 28,623,361,238.72
  5. Step 5: Solve for x
    x = 28,623,361,238.72/193,319.75
  6. Step 6: Final answer
    x = 148,062.27

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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.