Home / 131,226.64-181,091.10-73,865.68

Finding the Fourth Proportional to 131,226.64, 181,091.10 and 73,865.68

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Solution

The fourth proportional to 131,226.64, 181,091.10 and 73,865.68 is: 101,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,226.64 : 181,091.10 = 73,865.68 : x
  2. Step 2: Convert to fraction form
    131,226.64/181,091.10 = 73,865.68/x
  3. Step 3: Cross multiply
    131,226.64x = 181,091.10 × 73,865.68
  4. Step 4: Simplify right side
    131,226.64x = 13,376,417,243.45
  5. Step 5: Solve for x
    x = 13,376,417,243.45/131,226.64
  6. Step 6: Final answer
    x = 101,933.70

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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.