Home / 198,388.77-273,618.19-130,475.47

Finding the Fourth Proportional to 198,388.77, 273,618.19 and 130,475.47

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Solution

The fourth proportional to 198,388.77, 273,618.19 and 130,475.47 is: 179,952.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,388.77 : 273,618.19 = 130,475.47 : x
  2. Step 2: Convert to fraction form
    198,388.77/273,618.19 = 130,475.47/x
  3. Step 3: Cross multiply
    198,388.77x = 273,618.19 × 130,475.47
  4. Step 4: Simplify right side
    198,388.77x = 35,700,462,134.18
  5. Step 5: Solve for x
    x = 35,700,462,134.18/198,388.77
  6. Step 6: Final answer
    x = 179,952.03

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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.