Home / 134,723.82-185,918.79-77,366.89

Finding the Fourth Proportional to 134,723.82, 185,918.79 and 77,366.89

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Solution

The fourth proportional to 134,723.82, 185,918.79 and 77,366.89 is: 106,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,723.82 : 185,918.79 = 77,366.89 : x
  2. Step 2: Convert to fraction form
    134,723.82/185,918.79 = 77,366.89/x
  3. Step 3: Cross multiply
    134,723.82x = 185,918.79 × 77,366.89
  4. Step 4: Simplify right side
    134,723.82x = 14,383,958,574.86
  5. Step 5: Solve for x
    x = 14,383,958,574.86/134,723.82
  6. Step 6: Final answer
    x = 106,766.26

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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.