Home / 197,804.57-272,969.16-107,162.30

Finding the Fourth Proportional to 197,804.57, 272,969.16 and 107,162.30

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Solution

The fourth proportional to 197,804.57, 272,969.16 and 107,162.30 is: 147,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,804.57 : 272,969.16 = 107,162.30 : x
  2. Step 2: Convert to fraction form
    197,804.57/272,969.16 = 107,162.30/x
  3. Step 3: Cross multiply
    197,804.57x = 272,969.16 × 107,162.30
  4. Step 4: Simplify right side
    197,804.57x = 29,252,001,649.82
  5. Step 5: Solve for x
    x = 29,252,001,649.82/197,804.57
  6. Step 6: Final answer
    x = 147,883.35

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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.