Home / 124,716.92-172,102.92-68,117.36

Finding the Fourth Proportional to 124,716.92, 172,102.92 and 68,117.36

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Solution

The fourth proportional to 124,716.92, 172,102.92 and 68,117.36 is: 93,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,716.92 : 172,102.92 = 68,117.36 : x
  2. Step 2: Convert to fraction form
    124,716.92/172,102.92 = 68,117.36/x
  3. Step 3: Cross multiply
    124,716.92x = 172,102.92 × 68,117.36
  4. Step 4: Simplify right side
    124,716.92x = 11,723,195,698.18
  5. Step 5: Solve for x
    x = 11,723,195,698.18/124,716.92
  6. Step 6: Final answer
    x = 93,998.44

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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.