Home / 166,770.27-230,143.12-90,289.42

Finding the Fourth Proportional to 166,770.27, 230,143.12 and 90,289.42

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Solution

The fourth proportional to 166,770.27, 230,143.12 and 90,289.42 is: 124,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,770.27 : 230,143.12 = 90,289.42 : x
  2. Step 2: Convert to fraction form
    166,770.27/230,143.12 = 90,289.42/x
  3. Step 3: Cross multiply
    166,770.27x = 230,143.12 × 90,289.42
  4. Step 4: Simplify right side
    166,770.27x = 20,779,488,821.79
  5. Step 5: Solve for x
    x = 20,779,488,821.79/166,770.27
  6. Step 6: Final answer
    x = 124,599.48

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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.