Home / 110,759.43-166,141.50-39,686.70

Finding the Fourth Proportional to 110,759.43, 166,141.50 and 39,686.70

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Solution

The fourth proportional to 110,759.43, 166,141.50 and 39,686.70 is: 59,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,759.43 : 166,141.50 = 39,686.70 : x
  2. Step 2: Convert to fraction form
    110,759.43/166,141.50 = 39,686.70/x
  3. Step 3: Cross multiply
    110,759.43x = 166,141.50 × 39,686.70
  4. Step 4: Simplify right side
    110,759.43x = 6,593,607,868.05
  5. Step 5: Solve for x
    x = 6,593,607,868.05/110,759.43
  6. Step 6: Final answer
    x = 59,530.89

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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.