Home / 120,807.30-166,706.94-67,089.12

Finding the Fourth Proportional to 120,807.30, 166,706.94 and 67,089.12

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Solution

The fourth proportional to 120,807.30, 166,706.94 and 67,089.12 is: 92,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,807.30 : 166,706.94 = 67,089.12 : x
  2. Step 2: Convert to fraction form
    120,807.30/166,706.94 = 67,089.12/x
  3. Step 3: Cross multiply
    120,807.30x = 166,706.94 × 67,089.12
  4. Step 4: Simplify right side
    120,807.30x = 11,184,221,902.49
  5. Step 5: Solve for x
    x = 11,184,221,902.49/120,807.30
  6. Step 6: Final answer
    x = 92,579.02

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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.