Home / 191,480.40-286,540.20-166,791.60

Finding the Fourth Proportional to 191,480.40, 286,540.20 and 166,791.60

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Solution

The fourth proportional to 191,480.40, 286,540.20 and 166,791.60 is: 249,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,480.40 : 286,540.20 = 166,791.60 : x
  2. Step 2: Convert to fraction form
    191,480.40/286,540.20 = 166,791.60/x
  3. Step 3: Cross multiply
    191,480.40x = 286,540.20 × 166,791.60
  4. Step 4: Simplify right side
    191,480.40x = 47,792,498,422.32
  5. Step 5: Solve for x
    x = 47,792,498,422.32/191,480.40
  6. Step 6: Final answer
    x = 249,594.73

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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.