Home / 166,127.20-229,255.53-90,675.70

Finding the Fourth Proportional to 166,127.20, 229,255.53 and 90,675.70

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Solution

The fourth proportional to 166,127.20, 229,255.53 and 90,675.70 is: 125,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,127.20 : 229,255.53 = 90,675.70 : x
  2. Step 2: Convert to fraction form
    166,127.20/229,255.53 = 90,675.70/x
  3. Step 3: Cross multiply
    166,127.20x = 229,255.53 × 90,675.70
  4. Step 4: Simplify right side
    166,127.20x = 20,787,904,515.34
  5. Step 5: Solve for x
    x = 20,787,904,515.34/166,127.20
  6. Step 6: Final answer
    x = 125,132.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.