Home / 120,444.78-166,209.39-69,459.66

Finding the Fourth Proportional to 120,444.78, 166,209.39 and 69,459.66

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Solution

The fourth proportional to 120,444.78, 166,209.39 and 69,459.66 is: 95,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,444.78 : 166,209.39 = 69,459.66 : x
  2. Step 2: Convert to fraction form
    120,444.78/166,209.39 = 69,459.66/x
  3. Step 3: Cross multiply
    120,444.78x = 166,209.39 × 69,459.66
  4. Step 4: Simplify right side
    120,444.78x = 11,544,847,370.91
  5. Step 5: Solve for x
    x = 11,544,847,370.91/120,444.78
  6. Step 6: Final answer
    x = 95,851.79

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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.