Home / 107,771.31-148,758.88-69,531.93

Finding the Fourth Proportional to 107,771.31, 148,758.88 and 69,531.93

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Solution

The fourth proportional to 107,771.31, 148,758.88 and 69,531.93 is: 95,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,771.31 : 148,758.88 = 69,531.93 : x
  2. Step 2: Convert to fraction form
    107,771.31/148,758.88 = 69,531.93/x
  3. Step 3: Cross multiply
    107,771.31x = 148,758.88 × 69,531.93
  4. Step 4: Simplify right side
    107,771.31x = 10,343,491,857.21
  5. Step 5: Solve for x
    x = 10,343,491,857.21/107,771.31
  6. Step 6: Final answer
    x = 95,976.30

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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.