Home / 130,688.30-196,057.97-41,934.98

Finding the Fourth Proportional to 130,688.30, 196,057.97 and 41,934.98

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Solution

The fourth proportional to 130,688.30, 196,057.97 and 41,934.98 is: 62,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,688.30 : 196,057.97 = 41,934.98 : x
  2. Step 2: Convert to fraction form
    130,688.30/196,057.97 = 41,934.98/x
  3. Step 3: Cross multiply
    130,688.30x = 196,057.97 × 41,934.98
  4. Step 4: Simplify right side
    130,688.30x = 8,221,687,488.52
  5. Step 5: Solve for x
    x = 8,221,687,488.52/130,688.30
  6. Step 6: Final answer
    x = 62,910.66

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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.