Home / 144,020.82-215,825.32-105,770.06

Finding the Fourth Proportional to 144,020.82, 215,825.32 and 105,770.06

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Solution

The fourth proportional to 144,020.82, 215,825.32 and 105,770.06 is: 158,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,020.82 : 215,825.32 = 105,770.06 : x
  2. Step 2: Convert to fraction form
    144,020.82/215,825.32 = 105,770.06/x
  3. Step 3: Cross multiply
    144,020.82x = 215,825.32 × 105,770.06
  4. Step 4: Simplify right side
    144,020.82x = 22,827,857,045.92
  5. Step 5: Solve for x
    x = 22,827,857,045.92/144,020.82
  6. Step 6: Final answer
    x = 158,503.87

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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.