Home / 166,770.82-230,143.78-90,289.90

Finding the Fourth Proportional to 166,770.82, 230,143.78 and 90,289.90

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Solution

The fourth proportional to 166,770.82, 230,143.78 and 90,289.90 is: 124,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,770.82 : 230,143.78 = 90,289.90 : x
  2. Step 2: Convert to fraction form
    166,770.82/230,143.78 = 90,289.90/x
  3. Step 3: Cross multiply
    166,770.82x = 230,143.78 × 90,289.90
  4. Step 4: Simplify right side
    166,770.82x = 20,779,658,881.82
  5. Step 5: Solve for x
    x = 20,779,658,881.82/166,770.82
  6. Step 6: Final answer
    x = 124,600.09

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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.