Home / 197,287.28-272,256.48-106,643

Finding the Fourth Proportional to 197,287.28, 272,256.48 and 106,643

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Solution

The fourth proportional to 197,287.28, 272,256.48 and 106,643 is: 147,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,287.28 : 272,256.48 = 106,643 : x
  2. Step 2: Convert to fraction form
    197,287.28/272,256.48 = 106,643/x
  3. Step 3: Cross multiply
    197,287.28x = 272,256.48 × 106,643
  4. Step 4: Simplify right side
    197,287.28x = 29,034,247,796.64
  5. Step 5: Solve for x
    x = 29,034,247,796.64/197,287.28
  6. Step 6: Final answer
    x = 147,167.36

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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.