Home / 131,027.36-196,587.12-57,145.76

Finding the Fourth Proportional to 131,027.36, 196,587.12 and 57,145.76

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Solution

The fourth proportional to 131,027.36, 196,587.12 and 57,145.76 is: 85,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,027.36 : 196,587.12 = 57,145.76 : x
  2. Step 2: Convert to fraction form
    131,027.36/196,587.12 = 57,145.76/x
  3. Step 3: Cross multiply
    131,027.36x = 196,587.12 × 57,145.76
  4. Step 4: Simplify right side
    131,027.36x = 11,234,120,378.61
  5. Step 5: Solve for x
    x = 11,234,120,378.61/131,027.36
  6. Step 6: Final answer
    x = 85,738.74

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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.