Home / 166,303.91-249,517.82-99,791.78

Finding the Fourth Proportional to 166,303.91, 249,517.82 and 99,791.78

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Solution

The fourth proportional to 166,303.91, 249,517.82 and 99,791.78 is: 149,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,303.91 : 249,517.82 = 99,791.78 : x
  2. Step 2: Convert to fraction form
    166,303.91/249,517.82 = 99,791.78/x
  3. Step 3: Cross multiply
    166,303.91x = 249,517.82 × 99,791.78
  4. Step 4: Simplify right side
    166,303.91x = 24,899,826,401.41
  5. Step 5: Solve for x
    x = 24,899,826,401.41/166,303.91
  6. Step 6: Final answer
    x = 149,724.84

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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.