Home / 134,712.11-185,901.58-74,285.30

Finding the Fourth Proportional to 134,712.11, 185,901.58 and 74,285.30

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Solution

The fourth proportional to 134,712.11, 185,901.58 and 74,285.30 is: 102,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,712.11 : 185,901.58 = 74,285.30 : x
  2. Step 2: Convert to fraction form
    134,712.11/185,901.58 = 74,285.30/x
  3. Step 3: Cross multiply
    134,712.11x = 185,901.58 × 74,285.30
  4. Step 4: Simplify right side
    134,712.11x = 13,809,755,198.38
  5. Step 5: Solve for x
    x = 13,809,755,198.38/134,712.11
  6. Step 6: Final answer
    x = 102,513.09

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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.