Home / 140,454.36-193,779.54-79,982.13

Finding the Fourth Proportional to 140,454.36, 193,779.54 and 79,982.13

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Solution

The fourth proportional to 140,454.36, 193,779.54 and 79,982.13 is: 110,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454.36 : 193,779.54 = 79,982.13 : x
  2. Step 2: Convert to fraction form
    140,454.36/193,779.54 = 79,982.13/x
  3. Step 3: Cross multiply
    140,454.36x = 193,779.54 × 79,982.13
  4. Step 4: Simplify right side
    140,454.36x = 15,498,900,359.62
  5. Step 5: Solve for x
    x = 15,498,900,359.62/140,454.36
  6. Step 6: Final answer
    x = 110,348.30

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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.