Home / 213,052.34-319,554.92-76,270.01

Finding the Fourth Proportional to 213,052.34, 319,554.92 and 76,270.01

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Solution

The fourth proportional to 213,052.34, 319,554.92 and 76,270.01 is: 114,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,052.34 : 319,554.92 = 76,270.01 : x
  2. Step 2: Convert to fraction form
    213,052.34/319,554.92 = 76,270.01/x
  3. Step 3: Cross multiply
    213,052.34x = 319,554.92 × 76,270.01
  4. Step 4: Simplify right side
    213,052.34x = 24,372,455,536.85
  5. Step 5: Solve for x
    x = 24,372,455,536.85/213,052.34
  6. Step 6: Final answer
    x = 114,396.56

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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.