Home / 120,860.30-166,787.15-67,150.32

Finding the Fourth Proportional to 120,860.30, 166,787.15 and 67,150.32

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Solution

The fourth proportional to 120,860.30, 166,787.15 and 67,150.32 is: 92,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,860.30 : 166,787.15 = 67,150.32 : x
  2. Step 2: Convert to fraction form
    120,860.30/166,787.15 = 67,150.32/x
  3. Step 3: Cross multiply
    120,860.30x = 166,787.15 × 67,150.32
  4. Step 4: Simplify right side
    120,860.30x = 11,199,809,910.91
  5. Step 5: Solve for x
    x = 11,199,809,910.91/120,860.30
  6. Step 6: Final answer
    x = 92,667.40

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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.