Home / 95,986.18-143,979.28-49,209.22

Finding the Fourth Proportional to 95,986.18, 143,979.28 and 49,209.22

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Solution

The fourth proportional to 95,986.18, 143,979.28 and 49,209.22 is: 73,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,986.18 : 143,979.28 = 49,209.22 : x
  2. Step 2: Convert to fraction form
    95,986.18/143,979.28 = 49,209.22/x
  3. Step 3: Cross multiply
    95,986.18x = 143,979.28 × 49,209.22
  4. Step 4: Simplify right side
    95,986.18x = 7,085,108,064.96
  5. Step 5: Solve for x
    x = 7,085,108,064.96/95,986.18
  6. Step 6: Final answer
    x = 73,813.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.