Home / 166,309.70-249,651.12-66,539.44

Finding the Fourth Proportional to 166,309.70, 249,651.12 and 66,539.44

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Solution

The fourth proportional to 166,309.70, 249,651.12 and 66,539.44 is: 99,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,309.70 : 249,651.12 = 66,539.44 : x
  2. Step 2: Convert to fraction form
    166,309.70/249,651.12 = 66,539.44/x
  3. Step 3: Cross multiply
    166,309.70x = 249,651.12 × 66,539.44
  4. Step 4: Simplify right side
    166,309.70x = 16,611,646,281.76
  5. Step 5: Solve for x
    x = 16,611,646,281.76/166,309.70
  6. Step 6: Final answer
    x = 99,883.81

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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.