Home / 166,063.80-249,215.40-66,166.14

Finding the Fourth Proportional to 166,063.80, 249,215.40 and 66,166.14

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Solution

The fourth proportional to 166,063.80, 249,215.40 and 66,166.14 is: 99,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,063.80 : 249,215.40 = 66,166.14 : x
  2. Step 2: Convert to fraction form
    166,063.80/249,215.40 = 66,166.14/x
  3. Step 3: Cross multiply
    166,063.80x = 249,215.40 × 66,166.14
  4. Step 4: Simplify right side
    166,063.80x = 16,489,621,046.56
  5. Step 5: Solve for x
    x = 16,489,621,046.56/166,063.80
  6. Step 6: Final answer
    x = 99,296.90

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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.