Home / 134,729.54-185,937.83-74,305.92

Finding the Fourth Proportional to 134,729.54, 185,937.83 and 74,305.92

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Solution

The fourth proportional to 134,729.54, 185,937.83 and 74,305.92 is: 102,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,729.54 : 185,937.83 = 74,305.92 : x
  2. Step 2: Convert to fraction form
    134,729.54/185,937.83 = 74,305.92/x
  3. Step 3: Cross multiply
    134,729.54x = 185,937.83 × 74,305.92
  4. Step 4: Simplify right side
    134,729.54x = 13,816,281,520.95
  5. Step 5: Solve for x
    x = 13,816,281,520.95/134,729.54
  6. Step 6: Final answer
    x = 102,548.27

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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.