Home / 127,635.30-191,480.58-38,886.48

Finding the Fourth Proportional to 127,635.30, 191,480.58 and 38,886.48

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Solution

The fourth proportional to 127,635.30, 191,480.58 and 38,886.48 is: 58,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,635.30 : 191,480.58 = 38,886.48 : x
  2. Step 2: Convert to fraction form
    127,635.30/191,480.58 = 38,886.48/x
  3. Step 3: Cross multiply
    127,635.30x = 191,480.58 × 38,886.48
  4. Step 4: Simplify right side
    127,635.30x = 7,446,005,744.56
  5. Step 5: Solve for x
    x = 7,446,005,744.56/127,635.30
  6. Step 6: Final answer
    x = 58,338.14

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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.