Home / 122,441.91-168,970.50-68,727.57

Finding the Fourth Proportional to 122,441.91, 168,970.50 and 68,727.57

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Solution

The fourth proportional to 122,441.91, 168,970.50 and 68,727.57 is: 94,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,441.91 : 168,970.50 = 68,727.57 : x
  2. Step 2: Convert to fraction form
    122,441.91/168,970.50 = 68,727.57/x
  3. Step 3: Cross multiply
    122,441.91x = 168,970.50 × 68,727.57
  4. Step 4: Simplify right side
    122,441.91x = 11,612,931,866.69
  5. Step 5: Solve for x
    x = 11,612,931,866.69/122,441.91
  6. Step 6: Final answer
    x = 94,844.42

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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.