Home / 125,129.18-187,693.70-50,249.32

Finding the Fourth Proportional to 125,129.18, 187,693.70 and 50,249.32

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Solution

The fourth proportional to 125,129.18, 187,693.70 and 50,249.32 is: 75,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,129.18 : 187,693.70 = 50,249.32 : x
  2. Step 2: Convert to fraction form
    125,129.18/187,693.70 = 50,249.32/x
  3. Step 3: Cross multiply
    125,129.18x = 187,693.70 × 50,249.32
  4. Step 4: Simplify right side
    125,129.18x = 9,431,480,072.80
  5. Step 5: Solve for x
    x = 9,431,480,072.80/125,129.18
  6. Step 6: Final answer
    x = 75,373.94

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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.