Home / 112,908.53-169,391.27-79,693.47

Finding the Fourth Proportional to 112,908.53, 169,391.27 and 79,693.47

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Solution

The fourth proportional to 112,908.53, 169,391.27 and 79,693.47 is: 119,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,908.53 : 169,391.27 = 79,693.47 : x
  2. Step 2: Convert to fraction form
    112,908.53/169,391.27 = 79,693.47/x
  3. Step 3: Cross multiply
    112,908.53x = 169,391.27 × 79,693.47
  4. Step 4: Simplify right side
    112,908.53x = 13,499,378,293.24
  5. Step 5: Solve for x
    x = 13,499,378,293.24/112,908.53
  6. Step 6: Final answer
    x = 119,560.30

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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.