Home / 125,085.30-172,617.78-68,496.67

Finding the Fourth Proportional to 125,085.30, 172,617.78 and 68,496.67

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Solution

The fourth proportional to 125,085.30, 172,617.78 and 68,496.67 is: 94,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,085.30 : 172,617.78 = 68,496.67 : x
  2. Step 2: Convert to fraction form
    125,085.30/172,617.78 = 68,496.67/x
  3. Step 3: Cross multiply
    125,085.30x = 172,617.78 × 68,496.67
  4. Step 4: Simplify right side
    125,085.30x = 11,823,743,112.79
  5. Step 5: Solve for x
    x = 11,823,743,112.79/125,085.30
  6. Step 6: Final answer
    x = 94,525.44

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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.