Home / 185,869.80-278,877.60-67,553.10

Finding the Fourth Proportional to 185,869.80, 278,877.60 and 67,553.10

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Solution

The fourth proportional to 185,869.80, 278,877.60 and 67,553.10 is: 101,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,869.80 : 278,877.60 = 67,553.10 : x
  2. Step 2: Convert to fraction form
    185,869.80/278,877.60 = 67,553.10/x
  3. Step 3: Cross multiply
    185,869.80x = 278,877.60 × 67,553.10
  4. Step 4: Simplify right side
    185,869.80x = 18,839,046,400.56
  5. Step 5: Solve for x
    x = 18,839,046,400.56/185,869.80
  6. Step 6: Final answer
    x = 101,356.15

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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.