Home / 197,122.17-272,028.55-106,478.13

Finding the Fourth Proportional to 197,122.17, 272,028.55 and 106,478.13

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Solution

The fourth proportional to 197,122.17, 272,028.55 and 106,478.13 is: 146,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,122.17 : 272,028.55 = 106,478.13 : x
  2. Step 2: Convert to fraction form
    197,122.17/272,028.55 = 106,478.13/x
  3. Step 3: Cross multiply
    197,122.17x = 272,028.55 × 106,478.13
  4. Step 4: Simplify right side
    197,122.17x = 28,965,092,197.62
  5. Step 5: Solve for x
    x = 28,965,092,197.62/197,122.17
  6. Step 6: Final answer
    x = 146,939.80

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