Home / 134,954.82-186,315.39-89,694.18

Finding the Fourth Proportional to 134,954.82, 186,315.39 and 89,694.18

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Solution

The fourth proportional to 134,954.82, 186,315.39 and 89,694.18 is: 123,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,954.82 : 186,315.39 = 89,694.18 : x
  2. Step 2: Convert to fraction form
    134,954.82/186,315.39 = 89,694.18/x
  3. Step 3: Cross multiply
    134,954.82x = 186,315.39 × 89,694.18
  4. Step 4: Simplify right side
    134,954.82x = 16,711,406,127.43
  5. Step 5: Solve for x
    x = 16,711,406,127.43/134,954.82
  6. Step 6: Final answer
    x = 123,829.64

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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.