Home / 186,994.11-280,649.70-74,753.58

Finding the Fourth Proportional to 186,994.11, 280,649.70 and 74,753.58

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Solution

The fourth proportional to 186,994.11, 280,649.70 and 74,753.58 is: 112,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,994.11 : 280,649.70 = 74,753.58 : x
  2. Step 2: Convert to fraction form
    186,994.11/280,649.70 = 74,753.58/x
  3. Step 3: Cross multiply
    186,994.11x = 280,649.70 × 74,753.58
  4. Step 4: Simplify right side
    186,994.11x = 20,979,569,800.93
  5. Step 5: Solve for x
    x = 20,979,569,800.93/186,994.11
  6. Step 6: Final answer
    x = 112,193.75

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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.