Home / 166,689.45-249,815.48-66,767.85

Finding the Fourth Proportional to 166,689.45, 249,815.48 and 66,767.85

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Solution

The fourth proportional to 166,689.45, 249,815.48 and 66,767.85 is: 100,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,689.45 : 249,815.48 = 66,767.85 : x
  2. Step 2: Convert to fraction form
    166,689.45/249,815.48 = 66,767.85/x
  3. Step 3: Cross multiply
    166,689.45x = 249,815.48 × 66,767.85
  4. Step 4: Simplify right side
    166,689.45x = 16,679,642,162.48
  5. Step 5: Solve for x
    x = 16,679,642,162.48/166,689.45
  6. Step 6: Final answer
    x = 100,064.17

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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.