Home / 134,628.30-185,786.19-74,199

Finding the Fourth Proportional to 134,628.30, 185,786.19 and 74,199

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Solution

The fourth proportional to 134,628.30, 185,786.19 and 74,199 is: 102,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,628.30 : 185,786.19 = 74,199 : x
  2. Step 2: Convert to fraction form
    134,628.30/185,786.19 = 74,199/x
  3. Step 3: Cross multiply
    134,628.30x = 185,786.19 × 74,199
  4. Step 4: Simplify right side
    134,628.30x = 13,785,149,511.81
  5. Step 5: Solve for x
    x = 13,785,149,511.81/134,628.30
  6. Step 6: Final answer
    x = 102,394.14

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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.