Home / 127,079.28-190,553.31-52,185.47

Finding the Fourth Proportional to 127,079.28, 190,553.31 and 52,185.47

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Solution

The fourth proportional to 127,079.28, 190,553.31 and 52,185.47 is: 78,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,079.28 : 190,553.31 = 52,185.47 : x
  2. Step 2: Convert to fraction form
    127,079.28/190,553.31 = 52,185.47/x
  3. Step 3: Cross multiply
    127,079.28x = 190,553.31 × 52,185.47
  4. Step 4: Simplify right side
    127,079.28x = 9,944,113,089.64
  5. Step 5: Solve for x
    x = 9,944,113,089.64/127,079.28
  6. Step 6: Final answer
    x = 78,251.25

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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.