Home / 185,816.30-278,833.80-67,499.60

Finding the Fourth Proportional to 185,816.30, 278,833.80 and 67,499.60

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Solution

The fourth proportional to 185,816.30, 278,833.80 and 67,499.60 is: 101,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,816.30 : 278,833.80 = 67,499.60 : x
  2. Step 2: Convert to fraction form
    185,816.30/278,833.80 = 67,499.60/x
  3. Step 3: Cross multiply
    185,816.30x = 278,833.80 × 67,499.60
  4. Step 4: Simplify right side
    185,816.30x = 18,821,169,966.48
  5. Step 5: Solve for x
    x = 18,821,169,966.48/185,816.30
  6. Step 6: Final answer
    x = 101,289.12

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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.