Home / 197,629.34-272,728.17-106,985.28

Finding the Fourth Proportional to 197,629.34, 272,728.17 and 106,985.28

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Solution

The fourth proportional to 197,629.34, 272,728.17 and 106,985.28 is: 147,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,629.34 : 272,728.17 = 106,985.28 : x
  2. Step 2: Convert to fraction form
    197,629.34/272,728.17 = 106,985.28/x
  3. Step 3: Cross multiply
    197,629.34x = 272,728.17 × 106,985.28
  4. Step 4: Simplify right side
    197,629.34x = 29,177,898,653.82
  5. Step 5: Solve for x
    x = 29,177,898,653.82/197,629.34
  6. Step 6: Final answer
    x = 147,639.51

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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.