Home / 107,609.66-148,163.30-91,442.87

Finding the Fourth Proportional to 107,609.66, 148,163.30 and 91,442.87

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Solution

The fourth proportional to 107,609.66, 148,163.30 and 91,442.87 is: 125,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,609.66 : 148,163.30 = 91,442.87 : x
  2. Step 2: Convert to fraction form
    107,609.66/148,163.30 = 91,442.87/x
  3. Step 3: Cross multiply
    107,609.66x = 148,163.30 × 91,442.87
  4. Step 4: Simplify right side
    107,609.66x = 13,548,476,182.64
  5. Step 5: Solve for x
    x = 13,548,476,182.64/107,609.66
  6. Step 6: Final answer
    x = 125,903.91

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1.5x scale

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.