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Finding the Fourth Proportional to 95,963.67, 143,945.51 and 49,186.71

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Solution

The fourth proportional to 95,963.67, 143,945.51 and 49,186.71 is: 73,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,963.67 : 143,945.51 = 49,186.71 : x
  2. Step 2: Convert to fraction form
    95,963.67/143,945.51 = 49,186.71/x
  3. Step 3: Cross multiply
    95,963.67x = 143,945.51 × 49,186.71
  4. Step 4: Simplify right side
    95,963.67x = 7,080,205,810.24
  5. Step 5: Solve for x
    x = 7,080,205,810.24/95,963.67
  6. Step 6: Final answer
    x = 73,780.07

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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.