Home / 95,717.80-143,576.70-91,125.10

Finding the Fourth Proportional to 95,717.80, 143,576.70 and 91,125.10

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Solution

The fourth proportional to 95,717.80, 143,576.70 and 91,125.10 is: 136,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,717.80 : 143,576.70 = 91,125.10 : x
  2. Step 2: Convert to fraction form
    95,717.80/143,576.70 = 91,125.10/x
  3. Step 3: Cross multiply
    95,717.80x = 143,576.70 × 91,125.10
  4. Step 4: Simplify right side
    95,717.80x = 13,083,441,145.17
  5. Step 5: Solve for x
    x = 13,083,441,145.17/95,717.80
  6. Step 6: Final answer
    x = 136,687.65

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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.