Home / 127,270.40-190,927.20-38,523.20

Finding the Fourth Proportional to 127,270.40, 190,927.20 and 38,523.20

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Solution

The fourth proportional to 127,270.40, 190,927.20 and 38,523.20 is: 57,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,270.40 : 190,927.20 = 38,523.20 : x
  2. Step 2: Convert to fraction form
    127,270.40/190,927.20 = 38,523.20/x
  3. Step 3: Cross multiply
    127,270.40x = 190,927.20 × 38,523.20
  4. Step 4: Simplify right side
    127,270.40x = 7,355,126,711.04
  5. Step 5: Solve for x
    x = 7,355,126,711.04/127,270.40
  6. Step 6: Final answer
    x = 57,791.34

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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.