Home / 109,475.46-151,086.60-68,646.09

Finding the Fourth Proportional to 109,475.46, 151,086.60 and 68,646.09

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Solution

The fourth proportional to 109,475.46, 151,086.60 and 68,646.09 is: 94,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,475.46 : 151,086.60 = 68,646.09 : x
  2. Step 2: Convert to fraction form
    109,475.46/151,086.60 = 68,646.09/x
  3. Step 3: Cross multiply
    109,475.46x = 151,086.60 × 68,646.09
  4. Step 4: Simplify right side
    109,475.46x = 10,371,504,341.39
  5. Step 5: Solve for x
    x = 10,371,504,341.39/109,475.46
  6. Step 6: Final answer
    x = 94,738.17

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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.