Home / 281,124.05-421,685.71-91,584.11

Finding the Fourth Proportional to 281,124.05, 421,685.71 and 91,584.11

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Solution

The fourth proportional to 281,124.05, 421,685.71 and 91,584.11 is: 137,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,124.05 : 421,685.71 = 91,584.11 : x
  2. Step 2: Convert to fraction form
    281,124.05/421,685.71 = 91,584.11/x
  3. Step 3: Cross multiply
    281,124.05x = 421,685.71 × 91,584.11
  4. Step 4: Simplify right side
    281,124.05x = 38,619,710,604.49
  5. Step 5: Solve for x
    x = 38,619,710,604.49/281,124.05
  6. Step 6: Final answer
    x = 137,376.05

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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.