Home / 281,127.50-421,691.66-114,915.50

Finding the Fourth Proportional to 281,127.50, 421,691.66 and 114,915.50

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Solution

The fourth proportional to 281,127.50, 421,691.66 and 114,915.50 is: 172,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,127.50 : 421,691.66 = 114,915.50 : x
  2. Step 2: Convert to fraction form
    281,127.50/421,691.66 = 114,915.50/x
  3. Step 3: Cross multiply
    281,127.50x = 421,691.66 × 114,915.50
  4. Step 4: Simplify right side
    281,127.50x = 48,458,907,954.73
  5. Step 5: Solve for x
    x = 48,458,907,954.73/281,127.50
  6. Step 6: Final answer
    x = 172,373.42

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1.5x scale

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.