Home / 197,539.49-272,606.15-115,916.56

Finding the Fourth Proportional to 197,539.49, 272,606.15 and 115,916.56

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Solution

The fourth proportional to 197,539.49, 272,606.15 and 115,916.56 is: 159,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,539.49 : 272,606.15 = 115,916.56 : x
  2. Step 2: Convert to fraction form
    197,539.49/272,606.15 = 115,916.56/x
  3. Step 3: Cross multiply
    197,539.49x = 272,606.15 × 115,916.56
  4. Step 4: Simplify right side
    197,539.49x = 31,599,566,751.12
  5. Step 5: Solve for x
    x = 31,599,566,751.12/197,539.49
  6. Step 6: Final answer
    x = 159,965.82

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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.