Home / 120,003.29-165,603.48-66,292.04

Finding the Fourth Proportional to 120,003.29, 165,603.48 and 66,292.04

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Solution

The fourth proportional to 120,003.29, 165,603.48 and 66,292.04 is: 91,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003.29 : 165,603.48 = 66,292.04 : x
  2. Step 2: Convert to fraction form
    120,003.29/165,603.48 = 66,292.04/x
  3. Step 3: Cross multiply
    120,003.29x = 165,603.48 × 66,292.04
  4. Step 4: Simplify right side
    120,003.29x = 10,978,192,520.30
  5. Step 5: Solve for x
    x = 10,978,192,520.30/120,003.29
  6. Step 6: Final answer
    x = 91,482.43

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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.