Home / 166,228.20-249,956.70-139,194.60

Finding the Fourth Proportional to 166,228.20, 249,956.70 and 139,194.60

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Solution

The fourth proportional to 166,228.20, 249,956.70 and 139,194.60 is: 209,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,228.20 : 249,956.70 = 139,194.60 : x
  2. Step 2: Convert to fraction form
    166,228.20/249,956.70 = 139,194.60/x
  3. Step 3: Cross multiply
    166,228.20x = 249,956.70 × 139,194.60
  4. Step 4: Simplify right side
    166,228.20x = 34,792,622,873.82
  5. Step 5: Solve for x
    x = 34,792,622,873.82/166,228.20
  6. Step 6: Final answer
    x = 209,306.38

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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.