Home / 197,565.82-272,638.05-112,684.30

Finding the Fourth Proportional to 197,565.82, 272,638.05 and 112,684.30

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Solution

The fourth proportional to 197,565.82, 272,638.05 and 112,684.30 is: 155,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,565.82 : 272,638.05 = 112,684.30 : x
  2. Step 2: Convert to fraction form
    197,565.82/272,638.05 = 112,684.30/x
  3. Step 3: Cross multiply
    197,565.82x = 272,638.05 × 112,684.30
  4. Step 4: Simplify right side
    197,565.82x = 30,722,027,817.62
  5. Step 5: Solve for x
    x = 30,722,027,817.62/197,565.82
  6. Step 6: Final answer
    x = 155,502.75

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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.