Home / 142,045.82-213,013.36-53,250.88

Finding the Fourth Proportional to 142,045.82, 213,013.36 and 53,250.88

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Solution

The fourth proportional to 142,045.82, 213,013.36 and 53,250.88 is: 79,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,045.82 : 213,013.36 = 53,250.88 : x
  2. Step 2: Convert to fraction form
    142,045.82/213,013.36 = 53,250.88/x
  3. Step 3: Cross multiply
    142,045.82x = 213,013.36 × 53,250.88
  4. Step 4: Simplify right side
    142,045.82x = 11,343,147,540.44
  5. Step 5: Solve for x
    x = 11,343,147,540.44/142,045.82
  6. Step 6: Final answer
    x = 79,855.55

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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.