Home / 197,211.52-272,151.88-107,787.52

Finding the Fourth Proportional to 197,211.52, 272,151.88 and 107,787.52

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Solution

The fourth proportional to 197,211.52, 272,151.88 and 107,787.52 is: 148,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,211.52 : 272,151.88 = 107,787.52 : x
  2. Step 2: Convert to fraction form
    197,211.52/272,151.88 = 107,787.52/x
  3. Step 3: Cross multiply
    197,211.52x = 272,151.88 × 107,787.52
  4. Step 4: Simplify right side
    197,211.52x = 29,334,576,208.54
  5. Step 5: Solve for x
    x = 29,334,576,208.54/197,211.52
  6. Step 6: Final answer
    x = 148,746.77

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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.