Home / 127,896.48-191,837.70-39,149.92

Finding the Fourth Proportional to 127,896.48, 191,837.70 and 39,149.92

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Solution

The fourth proportional to 127,896.48, 191,837.70 and 39,149.92 is: 58,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,896.48 : 191,837.70 = 39,149.92 : x
  2. Step 2: Convert to fraction form
    127,896.48/191,837.70 = 39,149.92/x
  3. Step 3: Cross multiply
    127,896.48x = 191,837.70 × 39,149.92
  4. Step 4: Simplify right side
    127,896.48x = 7,510,430,607.98
  5. Step 5: Solve for x
    x = 7,510,430,607.98/127,896.48
  6. Step 6: Final answer
    x = 58,722.73

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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.