Home / 134,305.29-185,345.82-73,878.48

Finding the Fourth Proportional to 134,305.29, 185,345.82 and 73,878.48

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Solution

The fourth proportional to 134,305.29, 185,345.82 and 73,878.48 is: 101,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,305.29 : 185,345.82 = 73,878.48 : x
  2. Step 2: Convert to fraction form
    134,305.29/185,345.82 = 73,878.48/x
  3. Step 3: Cross multiply
    134,305.29x = 185,345.82 × 73,878.48
  4. Step 4: Simplify right side
    134,305.29x = 13,693,067,455.95
  5. Step 5: Solve for x
    x = 13,693,067,455.95/134,305.29
  6. Step 6: Final answer
    x = 101,954.79

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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.