Home / 230,743.70-346,083.15-72,988.10

Finding the Fourth Proportional to 230,743.70, 346,083.15 and 72,988.10

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Solution

The fourth proportional to 230,743.70, 346,083.15 and 72,988.10 is: 109,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,743.70 : 346,083.15 = 72,988.10 : x
  2. Step 2: Convert to fraction form
    230,743.70/346,083.15 = 72,988.10/x
  3. Step 3: Cross multiply
    230,743.70x = 346,083.15 × 72,988.10
  4. Step 4: Simplify right side
    230,743.70x = 25,259,951,560.52
  5. Step 5: Solve for x
    x = 25,259,951,560.52/230,743.70
  6. Step 6: Final answer
    x = 109,471.90

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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.