Home / 134,429.51-185,516.92-73,179.79

Finding the Fourth Proportional to 134,429.51, 185,516.92 and 73,179.79

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Solution

The fourth proportional to 134,429.51, 185,516.92 and 73,179.79 is: 100,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429.51 : 185,516.92 = 73,179.79 : x
  2. Step 2: Convert to fraction form
    134,429.51/185,516.92 = 73,179.79/x
  3. Step 3: Cross multiply
    134,429.51x = 185,516.92 × 73,179.79
  4. Step 4: Simplify right side
    134,429.51x = 13,576,088,463.09
  5. Step 5: Solve for x
    x = 13,576,088,463.09/134,429.51
  6. Step 6: Final answer
    x = 100,990.39

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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.