Home / 172,634.95-258,841.70-119,177.15

Finding the Fourth Proportional to 172,634.95, 258,841.70 and 119,177.15

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Solution

The fourth proportional to 172,634.95, 258,841.70 and 119,177.15 is: 178,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,634.95 : 258,841.70 = 119,177.15 : x
  2. Step 2: Convert to fraction form
    172,634.95/258,841.70 = 119,177.15/x
  3. Step 3: Cross multiply
    172,634.95x = 258,841.70 × 119,177.15
  4. Step 4: Simplify right side
    172,634.95x = 30,848,015,727.15
  5. Step 5: Solve for x
    x = 30,848,015,727.15/172,634.95
  6. Step 6: Final answer
    x = 178,689.29

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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.