Home / 131,820.34-197,764.19-38,326.09

Finding the Fourth Proportional to 131,820.34, 197,764.19 and 38,326.09

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Solution

The fourth proportional to 131,820.34, 197,764.19 and 38,326.09 is: 57,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,820.34 : 197,764.19 = 38,326.09 : x
  2. Step 2: Convert to fraction form
    131,820.34/197,764.19 = 38,326.09/x
  3. Step 3: Cross multiply
    131,820.34x = 197,764.19 × 38,326.09
  4. Step 4: Simplify right side
    131,820.34x = 7,579,526,964.27
  5. Step 5: Solve for x
    x = 7,579,526,964.27/131,820.34
  6. Step 6: Final answer
    x = 57,498.92

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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.