Home / 125,499.42-173,189.79-68,910.75

Finding the Fourth Proportional to 125,499.42, 173,189.79 and 68,910.75

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Solution

The fourth proportional to 125,499.42, 173,189.79 and 68,910.75 is: 95,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,499.42 : 173,189.79 = 68,910.75 : x
  2. Step 2: Convert to fraction form
    125,499.42/173,189.79 = 68,910.75/x
  3. Step 3: Cross multiply
    125,499.42x = 173,189.79 × 68,910.75
  4. Step 4: Simplify right side
    125,499.42x = 11,934,638,321.24
  5. Step 5: Solve for x
    x = 11,934,638,321.24/125,499.42
  6. Step 6: Final answer
    x = 95,097.16

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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.