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Finding the Fourth Proportional to 169,994.88, 254,992.64 and 59,187.20

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Solution

The fourth proportional to 169,994.88, 254,992.64 and 59,187.20 is: 88,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,994.88 : 254,992.64 = 59,187.20 : x
  2. Step 2: Convert to fraction form
    169,994.88/254,992.64 = 59,187.20/x
  3. Step 3: Cross multiply
    169,994.88x = 254,992.64 × 59,187.20
  4. Step 4: Simplify right side
    169,994.88x = 15,092,300,382.21
  5. Step 5: Solve for x
    x = 15,092,300,382.21/169,994.88
  6. Step 6: Final answer
    x = 88,780.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.