Home / 197,761.32-272,910.87-107,117.46

Finding the Fourth Proportional to 197,761.32, 272,910.87 and 107,117.46

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Solution

The fourth proportional to 197,761.32, 272,910.87 and 107,117.46 is: 147,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,761.32 : 272,910.87 = 107,117.46 : x
  2. Step 2: Convert to fraction form
    197,761.32/272,910.87 = 107,117.46/x
  3. Step 3: Cross multiply
    197,761.32x = 272,910.87 × 107,117.46
  4. Step 4: Simplify right side
    197,761.32x = 29,233,519,200.79
  5. Step 5: Solve for x
    x = 29,233,519,200.79/197,761.32
  6. Step 6: Final answer
    x = 147,822.23

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1.5x scale

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.