Home / 281,124.29-421,685.92-91,584.44

Finding the Fourth Proportional to 281,124.29, 421,685.92 and 91,584.44

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Solution

The fourth proportional to 281,124.29, 421,685.92 and 91,584.44 is: 137,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,124.29 : 421,685.92 = 91,584.44 : x
  2. Step 2: Convert to fraction form
    281,124.29/421,685.92 = 91,584.44/x
  3. Step 3: Cross multiply
    281,124.29x = 421,685.92 × 91,584.44
  4. Step 4: Simplify right side
    281,124.29x = 38,619,868,426.46
  5. Step 5: Solve for x
    x = 38,619,868,426.46/281,124.29
  6. Step 6: Final answer
    x = 137,376.49

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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.