Home / 186,995.11-280,651.20-74,754.58

Finding the Fourth Proportional to 186,995.11, 280,651.20 and 74,754.58

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Solution

The fourth proportional to 186,995.11, 280,651.20 and 74,754.58 is: 112,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,995.11 : 280,651.20 = 74,754.58 : x
  2. Step 2: Convert to fraction form
    186,995.11/280,651.20 = 74,754.58/x
  3. Step 3: Cross multiply
    186,995.11x = 280,651.20 × 74,754.58
  4. Step 4: Simplify right side
    186,995.11x = 20,979,962,582.50
  5. Step 5: Solve for x
    x = 20,979,962,582.50/186,995.11
  6. Step 6: Final answer
    x = 112,195.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.