Home / 166,131.77-249,267.35-71,382.71

Finding the Fourth Proportional to 166,131.77, 249,267.35 and 71,382.71

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Solution

The fourth proportional to 166,131.77, 249,267.35 and 71,382.71 is: 107,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,131.77 : 249,267.35 = 71,382.71 : x
  2. Step 2: Convert to fraction form
    166,131.77/249,267.35 = 71,382.71/x
  3. Step 3: Cross multiply
    166,131.77x = 249,267.35 × 71,382.71
  4. Step 4: Simplify right side
    166,131.77x = 17,793,379,759.14
  5. Step 5: Solve for x
    x = 17,793,379,759.14/166,131.77
  6. Step 6: Final answer
    x = 107,104.02

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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.