Home / 127,074.67-190,580.01-52,215.49

Finding the Fourth Proportional to 127,074.67, 190,580.01 and 52,215.49

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Solution

The fourth proportional to 127,074.67, 190,580.01 and 52,215.49 is: 78,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,074.67 : 190,580.01 = 52,215.49 : x
  2. Step 2: Convert to fraction form
    127,074.67/190,580.01 = 52,215.49/x
  3. Step 3: Cross multiply
    127,074.67x = 190,580.01 × 52,215.49
  4. Step 4: Simplify right side
    127,074.67x = 9,951,228,606.35
  5. Step 5: Solve for x
    x = 9,951,228,606.35/127,074.67
  6. Step 6: Final answer
    x = 78,310.09

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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.