Home / 197,608.56-272,761.12-112,782.08

Finding the Fourth Proportional to 197,608.56, 272,761.12 and 112,782.08

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Solution

The fourth proportional to 197,608.56, 272,761.12 and 112,782.08 is: 155,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,608.56 : 272,761.12 = 112,782.08 : x
  2. Step 2: Convert to fraction form
    197,608.56/272,761.12 = 112,782.08/x
  3. Step 3: Cross multiply
    197,608.56x = 272,761.12 × 112,782.08
  4. Step 4: Simplify right side
    197,608.56x = 30,762,566,456.73
  5. Step 5: Solve for x
    x = 30,762,566,456.73/197,608.56
  6. Step 6: Final answer
    x = 155,674.26

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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.