Home / 166,325.40-249,524.55-82,125.90

Finding the Fourth Proportional to 166,325.40, 249,524.55 and 82,125.90

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Solution

The fourth proportional to 166,325.40, 249,524.55 and 82,125.90 is: 123,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,325.40 : 249,524.55 = 82,125.90 : x
  2. Step 2: Convert to fraction form
    166,325.40/249,524.55 = 82,125.90/x
  3. Step 3: Cross multiply
    166,325.40x = 249,524.55 × 82,125.90
  4. Step 4: Simplify right side
    166,325.40x = 20,492,428,240.85
  5. Step 5: Solve for x
    x = 20,492,428,240.85/166,325.40
  6. Step 6: Final answer
    x = 123,206.85

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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.