Home / 137,282.11-205,844.32-73,161.31

Finding the Fourth Proportional to 137,282.11, 205,844.32 and 73,161.31

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Solution

The fourth proportional to 137,282.11, 205,844.32 and 73,161.31 is: 109,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,282.11 : 205,844.32 = 73,161.31 : x
  2. Step 2: Convert to fraction form
    137,282.11/205,844.32 = 73,161.31/x
  3. Step 3: Cross multiply
    137,282.11x = 205,844.32 × 73,161.31
  4. Step 4: Simplify right side
    137,282.11x = 15,059,839,409.75
  5. Step 5: Solve for x
    x = 15,059,839,409.75/137,282.11
  6. Step 6: Final answer
    x = 109,699.94

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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.