Home / 120,721.80-166,588.26-67,006.82

Finding the Fourth Proportional to 120,721.80, 166,588.26 and 67,006.82

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Solution

The fourth proportional to 120,721.80, 166,588.26 and 67,006.82 is: 92,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,721.80 : 166,588.26 = 67,006.82 : x
  2. Step 2: Convert to fraction form
    120,721.80/166,588.26 = 67,006.82/x
  3. Step 3: Cross multiply
    120,721.80x = 166,588.26 × 67,006.82
  4. Step 4: Simplify right side
    120,721.80x = 11,162,549,551.93
  5. Step 5: Solve for x
    x = 11,162,549,551.93/120,721.80
  6. Step 6: Final answer
    x = 92,465.07

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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.