Home / 107,596.42-161,207.59-75,507.44

Finding the Fourth Proportional to 107,596.42, 161,207.59 and 75,507.44

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Solution

The fourth proportional to 107,596.42, 161,207.59 and 75,507.44 is: 113,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,596.42 : 161,207.59 = 75,507.44 : x
  2. Step 2: Convert to fraction form
    107,596.42/161,207.59 = 75,507.44/x
  3. Step 3: Cross multiply
    107,596.42x = 161,207.59 × 75,507.44
  4. Step 4: Simplify right side
    107,596.42x = 12,172,371,434.66
  5. Step 5: Solve for x
    x = 12,172,371,434.66/107,596.42
  6. Step 6: Final answer
    x = 113,129.90

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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.