Home / 134,958.82-186,320.92-89,698.18

Finding the Fourth Proportional to 134,958.82, 186,320.92 and 89,698.18

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Solution

The fourth proportional to 134,958.82, 186,320.92 and 89,698.18 is: 123,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,958.82 : 186,320.92 = 89,698.18 : x
  2. Step 2: Convert to fraction form
    134,958.82/186,320.92 = 89,698.18/x
  3. Step 3: Cross multiply
    134,958.82x = 186,320.92 × 89,698.18
  4. Step 4: Simplify right side
    134,958.82x = 16,712,647,419.93
  5. Step 5: Solve for x
    x = 16,712,647,419.93/134,958.82
  6. Step 6: Final answer
    x = 123,835.16

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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.