Home / 115,499.68-159,353.44-67,755.04

Finding the Fourth Proportional to 115,499.68, 159,353.44 and 67,755.04

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Solution

The fourth proportional to 115,499.68, 159,353.44 and 67,755.04 is: 93,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,499.68 : 159,353.44 = 67,755.04 : x
  2. Step 2: Convert to fraction form
    115,499.68/159,353.44 = 67,755.04/x
  3. Step 3: Cross multiply
    115,499.68x = 159,353.44 × 67,755.04
  4. Step 4: Simplify right side
    115,499.68x = 10,796,998,701.34
  5. Step 5: Solve for x
    x = 10,796,998,701.34/115,499.68
  6. Step 6: Final answer
    x = 93,480.77

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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.