Home / 68,192.83-102,305.33-21,445.71

Finding the Fourth Proportional to 68,192.83, 102,305.33 and 21,445.71

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Solution

The fourth proportional to 68,192.83, 102,305.33 and 21,445.71 is: 32,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192.83 : 102,305.33 = 21,445.71 : x
  2. Step 2: Convert to fraction form
    68,192.83/102,305.33 = 21,445.71/x
  3. Step 3: Cross multiply
    68,192.83x = 102,305.33 × 21,445.71
  4. Step 4: Simplify right side
    68,192.83x = 2,194,010,438.63
  5. Step 5: Solve for x
    x = 2,194,010,438.63/68,192.83
  6. Step 6: Final answer
    x = 32,173.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.