Home / 109,177.89-163,766.90-30,292.21

Finding the Fourth Proportional to 109,177.89, 163,766.90 and 30,292.21

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Solution

The fourth proportional to 109,177.89, 163,766.90 and 30,292.21 is: 45,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,177.89 : 163,766.90 = 30,292.21 : x
  2. Step 2: Convert to fraction form
    109,177.89/163,766.90 = 30,292.21/x
  3. Step 3: Cross multiply
    109,177.89x = 163,766.90 × 30,292.21
  4. Step 4: Simplify right side
    109,177.89x = 4,960,861,174.39
  5. Step 5: Solve for x
    x = 4,960,861,174.39/109,177.89
  6. Step 6: Final answer
    x = 45,438.33

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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.