Home / 120,890.89-166,827.22-67,174.93

Finding the Fourth Proportional to 120,890.89, 166,827.22 and 67,174.93

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Solution

The fourth proportional to 120,890.89, 166,827.22 and 67,174.93 is: 92,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,890.89 : 166,827.22 = 67,174.93 : x
  2. Step 2: Convert to fraction form
    120,890.89/166,827.22 = 67,174.93/x
  3. Step 3: Cross multiply
    120,890.89x = 166,827.22 × 67,174.93
  4. Step 4: Simplify right side
    120,890.89x = 11,206,606,825.59
  5. Step 5: Solve for x
    x = 11,206,606,825.59/120,890.89
  6. Step 6: Final answer
    x = 92,700.18

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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.