Home / 120,264.94-165,965.91-66,553.63

Finding the Fourth Proportional to 120,264.94, 165,965.91 and 66,553.63

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Solution

The fourth proportional to 120,264.94, 165,965.91 and 66,553.63 is: 91,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,264.94 : 165,965.91 = 66,553.63 : x
  2. Step 2: Convert to fraction form
    120,264.94/165,965.91 = 66,553.63/x
  3. Step 3: Cross multiply
    120,264.94x = 165,965.91 × 66,553.63
  4. Step 4: Simplify right side
    120,264.94x = 11,045,633,766.75
  5. Step 5: Solve for x
    x = 11,045,633,766.75/120,264.94
  6. Step 6: Final answer
    x = 91,844.17

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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.