Home / 120,494.21-166,277.48-66,780.14

Finding the Fourth Proportional to 120,494.21, 166,277.48 and 66,780.14

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Solution

The fourth proportional to 120,494.21, 166,277.48 and 66,780.14 is: 92,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,494.21 : 166,277.48 = 66,780.14 : x
  2. Step 2: Convert to fraction form
    120,494.21/166,277.48 = 66,780.14/x
  3. Step 3: Cross multiply
    120,494.21x = 166,277.48 × 66,780.14
  4. Step 4: Simplify right side
    120,494.21x = 11,104,032,227.96
  5. Step 5: Solve for x
    x = 11,104,032,227.96/120,494.21
  6. Step 6: Final answer
    x = 92,154.08

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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.