Home / 188,829.20-282,660.60-109,708.40

Finding the Fourth Proportional to 188,829.20, 282,660.60 and 109,708.40

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Solution

The fourth proportional to 188,829.20, 282,660.60 and 109,708.40 is: 164,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,829.20 : 282,660.60 = 109,708.40 : x
  2. Step 2: Convert to fraction form
    188,829.20/282,660.60 = 109,708.40/x
  3. Step 3: Cross multiply
    188,829.20x = 282,660.60 × 109,708.40
  4. Step 4: Simplify right side
    188,829.20x = 31,010,242,169.04
  5. Step 5: Solve for x
    x = 31,010,242,169.04/188,829.20
  6. Step 6: Final answer
    x = 164,223.77

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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.