Home / 197,542.50-272,521.78-115,829.04

Finding the Fourth Proportional to 197,542.50, 272,521.78 and 115,829.04

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Solution

The fourth proportional to 197,542.50, 272,521.78 and 115,829.04 is: 159,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,542.50 : 272,521.78 = 115,829.04 : x
  2. Step 2: Convert to fraction form
    197,542.50/272,521.78 = 115,829.04/x
  3. Step 3: Cross multiply
    197,542.50x = 272,521.78 × 115,829.04
  4. Step 4: Simplify right side
    197,542.50x = 31,565,936,888.88
  5. Step 5: Solve for x
    x = 31,565,936,888.88/197,542.50
  6. Step 6: Final answer
    x = 159,793.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.