Home / 120,677.31-166,526.69-66,958.92

Finding the Fourth Proportional to 120,677.31, 166,526.69 and 66,958.92

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Solution

The fourth proportional to 120,677.31, 166,526.69 and 66,958.92 is: 92,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,677.31 : 166,526.69 = 66,958.92 : x
  2. Step 2: Convert to fraction form
    120,677.31/166,526.69 = 66,958.92/x
  3. Step 3: Cross multiply
    120,677.31x = 166,526.69 × 66,958.92
  4. Step 4: Simplify right side
    120,677.31x = 11,150,446,978.78
  5. Step 5: Solve for x
    x = 11,150,446,978.78/120,677.31
  6. Step 6: Final answer
    x = 92,398.87

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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.