Home / 125,091.42-172,652.94-79,758.96

Finding the Fourth Proportional to 125,091.42, 172,652.94 and 79,758.96

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Solution

The fourth proportional to 125,091.42, 172,652.94 and 79,758.96 is: 110,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,091.42 : 172,652.94 = 79,758.96 : x
  2. Step 2: Convert to fraction form
    125,091.42/172,652.94 = 79,758.96/x
  3. Step 3: Cross multiply
    125,091.42x = 172,652.94 × 79,758.96
  4. Step 4: Simplify right side
    125,091.42x = 13,770,618,935.34
  5. Step 5: Solve for x
    x = 13,770,618,935.34/125,091.42
  6. Step 6: Final answer
    x = 110,084.44

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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.