Home / 127,848.48-191,741.97-39,102.76

Finding the Fourth Proportional to 127,848.48, 191,741.97 and 39,102.76

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Solution

The fourth proportional to 127,848.48, 191,741.97 and 39,102.76 is: 58,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848.48 : 191,741.97 = 39,102.76 : x
  2. Step 2: Convert to fraction form
    127,848.48/191,741.97 = 39,102.76/x
  3. Step 3: Cross multiply
    127,848.48x = 191,741.97 × 39,102.76
  4. Step 4: Simplify right side
    127,848.48x = 7,497,639,080.61
  5. Step 5: Solve for x
    x = 7,497,639,080.61/127,848.48
  6. Step 6: Final answer
    x = 58,644.73

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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.