Home / 455,677.38-683,507.60-136,045.96

Finding the Fourth Proportional to 455,677.38, 683,507.60 and 136,045.96

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Solution

The fourth proportional to 455,677.38, 683,507.60 and 136,045.96 is: 204,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,677.38 : 683,507.60 = 136,045.96 : x
  2. Step 2: Convert to fraction form
    455,677.38/683,507.60 = 136,045.96/x
  3. Step 3: Cross multiply
    455,677.38x = 683,507.60 × 136,045.96
  4. Step 4: Simplify right side
    455,677.38x = 92,988,447,609.30
  5. Step 5: Solve for x
    x = 92,988,447,609.30/455,677.38
  6. Step 6: Final answer
    x = 204,066.41

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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.