Home / 197,641.28-272,745.02-106,997.24

Finding the Fourth Proportional to 197,641.28, 272,745.02 and 106,997.24

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Solution

The fourth proportional to 197,641.28, 272,745.02 and 106,997.24 is: 147,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,641.28 : 272,745.02 = 106,997.24 : x
  2. Step 2: Convert to fraction form
    197,641.28/272,745.02 = 106,997.24/x
  3. Step 3: Cross multiply
    197,641.28x = 272,745.02 × 106,997.24
  4. Step 4: Simplify right side
    197,641.28x = 29,182,964,363.74
  5. Step 5: Solve for x
    x = 29,182,964,363.74/197,641.28
  6. Step 6: Final answer
    x = 147,656.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.