Home / 140,270.23-193,567.48-79,015.20

Finding the Fourth Proportional to 140,270.23, 193,567.48 and 79,015.20

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Solution

The fourth proportional to 140,270.23, 193,567.48 and 79,015.20 is: 109,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,270.23 : 193,567.48 = 79,015.20 : x
  2. Step 2: Convert to fraction form
    140,270.23/193,567.48 = 79,015.20/x
  3. Step 3: Cross multiply
    140,270.23x = 193,567.48 × 79,015.20
  4. Step 4: Simplify right side
    140,270.23x = 15,294,773,145.70
  5. Step 5: Solve for x
    x = 15,294,773,145.70/140,270.23
  6. Step 6: Final answer
    x = 109,037.91

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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.