Home / 166,409.40-249,650.55-82,209.90

Finding the Fourth Proportional to 166,409.40, 249,650.55 and 82,209.90

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Solution

The fourth proportional to 166,409.40, 249,650.55 and 82,209.90 is: 123,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,409.40 : 249,650.55 = 82,209.90 : x
  2. Step 2: Convert to fraction form
    166,409.40/249,650.55 = 82,209.90/x
  3. Step 3: Cross multiply
    166,409.40x = 249,650.55 × 82,209.90
  4. Step 4: Simplify right side
    166,409.40x = 20,523,746,750.45
  5. Step 5: Solve for x
    x = 20,523,746,750.45/166,409.40
  6. Step 6: Final answer
    x = 123,332.86

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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.