Home / 187,932.64-259,346.28-103,055.08

Finding the Fourth Proportional to 187,932.64, 259,346.28 and 103,055.08

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Solution

The fourth proportional to 187,932.64, 259,346.28 and 103,055.08 is: 142,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,932.64 : 259,346.28 = 103,055.08 : x
  2. Step 2: Convert to fraction form
    187,932.64/259,346.28 = 103,055.08/x
  3. Step 3: Cross multiply
    187,932.64x = 259,346.28 × 103,055.08
  4. Step 4: Simplify right side
    187,932.64x = 26,726,951,633.10
  5. Step 5: Solve for x
    x = 26,726,951,633.10/187,932.64
  6. Step 6: Final answer
    x = 142,215.59

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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.