Home / 131,836.11-181,945.01-74,485.96

Finding the Fourth Proportional to 131,836.11, 181,945.01 and 74,485.96

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Solution

The fourth proportional to 131,836.11, 181,945.01 and 74,485.96 is: 102,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,836.11 : 181,945.01 = 74,485.96 : x
  2. Step 2: Convert to fraction form
    131,836.11/181,945.01 = 74,485.96/x
  3. Step 3: Cross multiply
    131,836.11x = 181,945.01 × 74,485.96
  4. Step 4: Simplify right side
    131,836.11x = 13,552,348,737.06
  5. Step 5: Solve for x
    x = 13,552,348,737.06/131,836.11
  6. Step 6: Final answer
    x = 102,796.94

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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.