Home / 107,342.42-161,013.62-40,766.90

Finding the Fourth Proportional to 107,342.42, 161,013.62 and 40,766.90

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Solution

The fourth proportional to 107,342.42, 161,013.62 and 40,766.90 is: 61,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,342.42 : 161,013.62 = 40,766.90 : x
  2. Step 2: Convert to fraction form
    107,342.42/161,013.62 = 40,766.90/x
  3. Step 3: Cross multiply
    107,342.42x = 161,013.62 × 40,766.90
  4. Step 4: Simplify right side
    107,342.42x = 6,564,025,442.03
  5. Step 5: Solve for x
    x = 6,564,025,442.03/107,342.42
  6. Step 6: Final answer
    x = 61,150.34

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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.