Home / 131,296.66-196,903.68-42,529.57

Finding the Fourth Proportional to 131,296.66, 196,903.68 and 42,529.57

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Solution

The fourth proportional to 131,296.66, 196,903.68 and 42,529.57 is: 63,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,296.66 : 196,903.68 = 42,529.57 : x
  2. Step 2: Convert to fraction form
    131,296.66/196,903.68 = 42,529.57/x
  3. Step 3: Cross multiply
    131,296.66x = 196,903.68 × 42,529.57
  4. Step 4: Simplify right side
    131,296.66x = 8,374,228,841.82
  5. Step 5: Solve for x
    x = 8,374,228,841.82/131,296.66
  6. Step 6: Final answer
    x = 63,780.97

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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.