Home / 140,379.24-193,661.16-83,757.72

Finding the Fourth Proportional to 140,379.24, 193,661.16 and 83,757.72

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Solution

The fourth proportional to 140,379.24, 193,661.16 and 83,757.72 is: 115,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,379.24 : 193,661.16 = 83,757.72 : x
  2. Step 2: Convert to fraction form
    140,379.24/193,661.16 = 83,757.72/x
  3. Step 3: Cross multiply
    140,379.24x = 193,661.16 × 83,757.72
  4. Step 4: Simplify right side
    140,379.24x = 16,220,617,214.16
  5. Step 5: Solve for x
    x = 16,220,617,214.16/140,379.24
  6. Step 6: Final answer
    x = 115,548.55

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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.