Home / 131,117.82-196,511.76-56,149.35

Finding the Fourth Proportional to 131,117.82, 196,511.76 and 56,149.35

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Solution

The fourth proportional to 131,117.82, 196,511.76 and 56,149.35 is: 84,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,117.82 : 196,511.76 = 56,149.35 : x
  2. Step 2: Convert to fraction form
    131,117.82/196,511.76 = 56,149.35/x
  3. Step 3: Cross multiply
    131,117.82x = 196,511.76 × 56,149.35
  4. Step 4: Simplify right side
    131,117.82x = 11,034,007,591.36
  5. Step 5: Solve for x
    x = 11,034,007,591.36/131,117.82
  6. Step 6: Final answer
    x = 84,153.38

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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.