Home / 113,188.29-169,813.11-100,794.36

Finding the Fourth Proportional to 113,188.29, 169,813.11 and 100,794.36

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Solution

The fourth proportional to 113,188.29, 169,813.11 and 100,794.36 is: 151,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,188.29 : 169,813.11 = 100,794.36 : x
  2. Step 2: Convert to fraction form
    113,188.29/169,813.11 = 100,794.36/x
  3. Step 3: Cross multiply
    113,188.29x = 169,813.11 × 100,794.36
  4. Step 4: Simplify right side
    113,188.29x = 17,116,203,742.06
  5. Step 5: Solve for x
    x = 17,116,203,742.06/113,188.29
  6. Step 6: Final answer
    x = 151,218.86

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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.