Home / 130,934.67-196,488.14-71,811.87

Finding the Fourth Proportional to 130,934.67, 196,488.14 and 71,811.87

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Solution

The fourth proportional to 130,934.67, 196,488.14 and 71,811.87 is: 107,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,934.67 : 196,488.14 = 71,811.87 : x
  2. Step 2: Convert to fraction form
    130,934.67/196,488.14 = 71,811.87/x
  3. Step 3: Cross multiply
    130,934.67x = 196,488.14 × 71,811.87
  4. Step 4: Simplify right side
    130,934.67x = 14,110,180,766.22
  5. Step 5: Solve for x
    x = 14,110,180,766.22/130,934.67
  6. Step 6: Final answer
    x = 107,765.05

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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.