Home / 188,439.40-282,659.10-162,778.60

Finding the Fourth Proportional to 188,439.40, 282,659.10 and 162,778.60

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Solution

The fourth proportional to 188,439.40, 282,659.10 and 162,778.60 is: 244,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,439.40 : 282,659.10 = 162,778.60 : x
  2. Step 2: Convert to fraction form
    188,439.40/282,659.10 = 162,778.60/x
  3. Step 3: Cross multiply
    188,439.40x = 282,659.10 × 162,778.60
  4. Step 4: Simplify right side
    188,439.40x = 46,010,852,575.26
  5. Step 5: Solve for x
    x = 46,010,852,575.26/188,439.40
  6. Step 6: Final answer
    x = 244,167.90

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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.