Home / 147,680.62-221,474.45-47,817.74

Finding the Fourth Proportional to 147,680.62, 221,474.45 and 47,817.74

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Solution

The fourth proportional to 147,680.62, 221,474.45 and 47,817.74 is: 71,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,680.62 : 221,474.45 = 47,817.74 : x
  2. Step 2: Convert to fraction form
    147,680.62/221,474.45 = 47,817.74/x
  3. Step 3: Cross multiply
    147,680.62x = 221,474.45 × 47,817.74
  4. Step 4: Simplify right side
    147,680.62x = 10,590,408,339.97
  5. Step 5: Solve for x
    x = 10,590,408,339.97/147,680.62
  6. Step 6: Final answer
    x = 71,711.57

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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.