Home / 197,405.16-272,418.30-106,761.20

Finding the Fourth Proportional to 197,405.16, 272,418.30 and 106,761.20

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Solution

The fourth proportional to 197,405.16, 272,418.30 and 106,761.20 is: 147,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,405.16 : 272,418.30 = 106,761.20 : x
  2. Step 2: Convert to fraction form
    197,405.16/272,418.30 = 106,761.20/x
  3. Step 3: Cross multiply
    197,405.16x = 272,418.30 × 106,761.20
  4. Step 4: Simplify right side
    197,405.16x = 29,083,704,609.96
  5. Step 5: Solve for x
    x = 29,083,704,609.96/197,405.16
  6. Step 6: Final answer
    x = 147,330.01

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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.