Home / 120,317.03-166,052.34-68,646.85

Finding the Fourth Proportional to 120,317.03, 166,052.34 and 68,646.85

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Solution

The fourth proportional to 120,317.03, 166,052.34 and 68,646.85 is: 94,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,317.03 : 166,052.34 = 68,646.85 : x
  2. Step 2: Convert to fraction form
    120,317.03/166,052.34 = 68,646.85/x
  3. Step 3: Cross multiply
    120,317.03x = 166,052.34 × 68,646.85
  4. Step 4: Simplify right side
    120,317.03x = 11,398,970,076.13
  5. Step 5: Solve for x
    x = 11,398,970,076.13/120,317.03
  6. Step 6: Final answer
    x = 94,741.12

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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.