Home / 197,275.16-272,174.40-111,223.37

Finding the Fourth Proportional to 197,275.16, 272,174.40 and 111,223.37

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Solution

The fourth proportional to 197,275.16, 272,174.40 and 111,223.37 is: 153,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,275.16 : 272,174.40 = 111,223.37 : x
  2. Step 2: Convert to fraction form
    197,275.16/272,174.40 = 111,223.37/x
  3. Step 3: Cross multiply
    197,275.16x = 272,174.40 × 111,223.37
  4. Step 4: Simplify right side
    197,275.16x = 30,272,153,995.73
  5. Step 5: Solve for x
    x = 30,272,153,995.73/197,275.16
  6. Step 6: Final answer
    x = 153,451.42

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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.