Home / 135,152.13-186,309.17-115,939.34

Finding the Fourth Proportional to 135,152.13, 186,309.17 and 115,939.34

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Solution

The fourth proportional to 135,152.13, 186,309.17 and 115,939.34 is: 159,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,152.13 : 186,309.17 = 115,939.34 : x
  2. Step 2: Convert to fraction form
    135,152.13/186,309.17 = 115,939.34/x
  3. Step 3: Cross multiply
    135,152.13x = 186,309.17 × 115,939.34
  4. Step 4: Simplify right side
    135,152.13x = 21,600,562,205.75
  5. Step 5: Solve for x
    x = 21,600,562,205.75/135,152.13
  6. Step 6: Final answer
    x = 159,824.06

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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.