Home / 197,565.20-272,639.46-106,921.34

Finding the Fourth Proportional to 197,565.20, 272,639.46 and 106,921.34

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Solution

The fourth proportional to 197,565.20, 272,639.46 and 106,921.34 is: 147,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,565.20 : 272,639.46 = 106,921.34 : x
  2. Step 2: Convert to fraction form
    197,565.20/272,639.46 = 106,921.34/x
  3. Step 3: Cross multiply
    197,565.20x = 272,639.46 × 106,921.34
  4. Step 4: Simplify right side
    197,565.20x = 29,150,976,400.08
  5. Step 5: Solve for x
    x = 29,150,976,400.08/197,565.20
  6. Step 6: Final answer
    x = 147,551.17

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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.