Home / 134,516.44-185,629.98-84,243.16

Finding the Fourth Proportional to 134,516.44, 185,629.98 and 84,243.16

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Solution

The fourth proportional to 134,516.44, 185,629.98 and 84,243.16 is: 116,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,516.44 : 185,629.98 = 84,243.16 : x
  2. Step 2: Convert to fraction form
    134,516.44/185,629.98 = 84,243.16/x
  3. Step 3: Cross multiply
    134,516.44x = 185,629.98 × 84,243.16
  4. Step 4: Simplify right side
    134,516.44x = 15,638,056,105.94
  5. Step 5: Solve for x
    x = 15,638,056,105.94/134,516.44
  6. Step 6: Final answer
    x = 116,253.87

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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.