Home / 109,770.66-151,475.14-66,744.17

Finding the Fourth Proportional to 109,770.66, 151,475.14 and 66,744.17

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Solution

The fourth proportional to 109,770.66, 151,475.14 and 66,744.17 is: 92,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,770.66 : 151,475.14 = 66,744.17 : x
  2. Step 2: Convert to fraction form
    109,770.66/151,475.14 = 66,744.17/x
  3. Step 3: Cross multiply
    109,770.66x = 151,475.14 × 66,744.17
  4. Step 4: Simplify right side
    109,770.66x = 10,110,082,706.76
  5. Step 5: Solve for x
    x = 10,110,082,706.76/109,770.66
  6. Step 6: Final answer
    x = 92,101.87

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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.