Home / 120,892.08-166,827.74-67,175.72

Finding the Fourth Proportional to 120,892.08, 166,827.74 and 67,175.72

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Solution

The fourth proportional to 120,892.08, 166,827.74 and 67,175.72 is: 92,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,892.08 : 166,827.74 = 67,175.72 : x
  2. Step 2: Convert to fraction form
    120,892.08/166,827.74 = 67,175.72/x
  3. Step 3: Cross multiply
    120,892.08x = 166,827.74 × 67,175.72
  4. Step 4: Simplify right side
    120,892.08x = 11,206,773,550.47
  5. Step 5: Solve for x
    x = 11,206,773,550.47/120,892.08
  6. Step 6: Final answer
    x = 92,700.64

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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.