Home / 125,242.36-187,944.96-54,234.34

Finding the Fourth Proportional to 125,242.36, 187,944.96 and 54,234.34

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Solution

The fourth proportional to 125,242.36, 187,944.96 and 54,234.34 is: 81,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,242.36 : 187,944.96 = 54,234.34 : x
  2. Step 2: Convert to fraction form
    125,242.36/187,944.96 = 54,234.34/x
  3. Step 3: Cross multiply
    125,242.36x = 187,944.96 × 54,234.34
  4. Step 4: Simplify right side
    125,242.36x = 10,193,070,861.93
  5. Step 5: Solve for x
    x = 10,193,070,861.93/125,242.36
  6. Step 6: Final answer
    x = 81,386.77

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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.