Home / 134,338.44-185,387.04-73,907.78

Finding the Fourth Proportional to 134,338.44, 185,387.04 and 73,907.78

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Solution

The fourth proportional to 134,338.44, 185,387.04 and 73,907.78 is: 101,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,338.44 : 185,387.04 = 73,907.78 : x
  2. Step 2: Convert to fraction form
    134,338.44/185,387.04 = 73,907.78/x
  3. Step 3: Cross multiply
    134,338.44x = 185,387.04 × 73,907.78
  4. Step 4: Simplify right side
    134,338.44x = 13,701,544,567.17
  5. Step 5: Solve for x
    x = 13,701,544,567.17/134,338.44
  6. Step 6: Final answer
    x = 101,992.73

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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.