Home / 107,288.43-148,065.11-61,968.33

Finding the Fourth Proportional to 107,288.43, 148,065.11 and 61,968.33

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Solution

The fourth proportional to 107,288.43, 148,065.11 and 61,968.33 is: 85,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,288.43 : 148,065.11 = 61,968.33 : x
  2. Step 2: Convert to fraction form
    107,288.43/148,065.11 = 61,968.33/x
  3. Step 3: Cross multiply
    107,288.43x = 148,065.11 × 61,968.33
  4. Step 4: Simplify right side
    107,288.43x = 9,175,347,288.12
  5. Step 5: Solve for x
    x = 9,175,347,288.12/107,288.43
  6. Step 6: Final answer
    x = 85,520.38

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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.