Home / 197,472.19-272,512.98-120,991.45

Finding the Fourth Proportional to 197,472.19, 272,512.98 and 120,991.45

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Solution

The fourth proportional to 197,472.19, 272,512.98 and 120,991.45 is: 166,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,472.19 : 272,512.98 = 120,991.45 : x
  2. Step 2: Convert to fraction form
    197,472.19/272,512.98 = 120,991.45/x
  3. Step 3: Cross multiply
    197,472.19x = 272,512.98 × 120,991.45
  4. Step 4: Simplify right side
    197,472.19x = 32,971,740,594.02
  5. Step 5: Solve for x
    x = 32,971,740,594.02/197,472.19
  6. Step 6: Final answer
    x = 166,969.03

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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.