Home / 134,373.24-185,102.82-115,190.28

Finding the Fourth Proportional to 134,373.24, 185,102.82 and 115,190.28

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Solution

The fourth proportional to 134,373.24, 185,102.82 and 115,190.28 is: 158,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,373.24 : 185,102.82 = 115,190.28 : x
  2. Step 2: Convert to fraction form
    134,373.24/185,102.82 = 115,190.28/x
  3. Step 3: Cross multiply
    134,373.24x = 185,102.82 × 115,190.28
  4. Step 4: Simplify right side
    134,373.24x = 21,322,045,664.59
  5. Step 5: Solve for x
    x = 21,322,045,664.59/134,373.24
  6. Step 6: Final answer
    x = 158,677.77

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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.