Home / 120,974.13-166,948.16-67,261.41

Finding the Fourth Proportional to 120,974.13, 166,948.16 and 67,261.41

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Solution

The fourth proportional to 120,974.13, 166,948.16 and 67,261.41 is: 92,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,974.13 : 166,948.16 = 67,261.41 : x
  2. Step 2: Convert to fraction form
    120,974.13/166,948.16 = 67,261.41/x
  3. Step 3: Cross multiply
    120,974.13x = 166,948.16 × 67,261.41
  4. Step 4: Simplify right side
    120,974.13x = 11,229,168,302.20
  5. Step 5: Solve for x
    x = 11,229,168,302.20/120,974.13
  6. Step 6: Final answer
    x = 92,822.89

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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.