Home / 107,906.31-161,799.93-57,972.24

Finding the Fourth Proportional to 107,906.31, 161,799.93 and 57,972.24

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Solution

The fourth proportional to 107,906.31, 161,799.93 and 57,972.24 is: 86,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,906.31 : 161,799.93 = 57,972.24 : x
  2. Step 2: Convert to fraction form
    107,906.31/161,799.93 = 57,972.24/x
  3. Step 3: Cross multiply
    107,906.31x = 161,799.93 × 57,972.24
  4. Step 4: Simplify right side
    107,906.31x = 9,379,904,373.94
  5. Step 5: Solve for x
    x = 9,379,904,373.94/107,906.31
  6. Step 6: Final answer
    x = 86,926.38

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1.5x scale

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.