Home / 166,793.12-230,174.18-90,312.30

Finding the Fourth Proportional to 166,793.12, 230,174.18 and 90,312.30

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Solution

The fourth proportional to 166,793.12, 230,174.18 and 90,312.30 is: 124,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,793.12 : 230,174.18 = 90,312.30 : x
  2. Step 2: Convert to fraction form
    166,793.12/230,174.18 = 90,312.30/x
  3. Step 3: Cross multiply
    166,793.12x = 230,174.18 × 90,312.30
  4. Step 4: Simplify right side
    166,793.12x = 20,787,559,596.41
  5. Step 5: Solve for x
    x = 20,787,559,596.41/166,793.12
  6. Step 6: Final answer
    x = 124,630.80

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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.