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Finding the Fourth Proportional to 134,398.32, 185,069.70 and 131,414.91

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Solution

The fourth proportional to 134,398.32, 185,069.70 and 131,414.91 is: 180,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,398.32 : 185,069.70 = 131,414.91 : x
  2. Step 2: Convert to fraction form
    134,398.32/185,069.70 = 131,414.91/x
  3. Step 3: Cross multiply
    134,398.32x = 185,069.70 × 131,414.91
  4. Step 4: Simplify right side
    134,398.32x = 24,320,917,969.23
  5. Step 5: Solve for x
    x = 24,320,917,969.23/134,398.32
  6. Step 6: Final answer
    x = 180,961.47

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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.