Home / 144,976.34-217,527.12-78,463.44

Finding the Fourth Proportional to 144,976.34, 217,527.12 and 78,463.44

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Solution

The fourth proportional to 144,976.34, 217,527.12 and 78,463.44 is: 117,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,976.34 : 217,527.12 = 78,463.44 : x
  2. Step 2: Convert to fraction form
    144,976.34/217,527.12 = 78,463.44/x
  3. Step 3: Cross multiply
    144,976.34x = 217,527.12 × 78,463.44
  4. Step 4: Simplify right side
    144,976.34x = 17,067,926,128.49
  5. Step 5: Solve for x
    x = 17,067,926,128.49/144,976.34
  6. Step 6: Final answer
    x = 117,729.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.