Home / 187,979.52-259,417.44-103,102.32

Finding the Fourth Proportional to 187,979.52, 259,417.44 and 103,102.32

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Solution

The fourth proportional to 187,979.52, 259,417.44 and 103,102.32 is: 142,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,979.52 : 259,417.44 = 103,102.32 : x
  2. Step 2: Convert to fraction form
    187,979.52/259,417.44 = 103,102.32/x
  3. Step 3: Cross multiply
    187,979.52x = 259,417.44 × 103,102.32
  4. Step 4: Simplify right side
    187,979.52x = 26,746,539,912.46
  5. Step 5: Solve for x
    x = 26,746,539,912.46/187,979.52
  6. Step 6: Final answer
    x = 142,284.33

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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.