Home / 197,289.28-272,259.24-106,645

Finding the Fourth Proportional to 197,289.28, 272,259.24 and 106,645

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Solution

The fourth proportional to 197,289.28, 272,259.24 and 106,645 is: 147,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,289.28 : 272,259.24 = 106,645 : x
  2. Step 2: Convert to fraction form
    197,289.28/272,259.24 = 106,645/x
  3. Step 3: Cross multiply
    197,289.28x = 272,259.24 × 106,645
  4. Step 4: Simplify right side
    197,289.28x = 29,035,086,649.80
  5. Step 5: Solve for x
    x = 29,035,086,649.80/197,289.28
  6. Step 6: Final answer
    x = 147,170.12

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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.