Home / 216,567.24-324,885.90-66,772.50

Finding the Fourth Proportional to 216,567.24, 324,885.90 and 66,772.50

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Solution

The fourth proportional to 216,567.24, 324,885.90 and 66,772.50 is: 100,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,567.24 : 324,885.90 = 66,772.50 : x
  2. Step 2: Convert to fraction form
    216,567.24/324,885.90 = 66,772.50/x
  3. Step 3: Cross multiply
    216,567.24x = 324,885.90 × 66,772.50
  4. Step 4: Simplify right side
    216,567.24x = 21,693,443,757.75
  5. Step 5: Solve for x
    x = 21,693,443,757.75/216,567.24
  6. Step 6: Final answer
    x = 100,169.55

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1.5x scale

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.