Home / 197,160-272,087.52-107,741.76

Finding the Fourth Proportional to 197,160, 272,087.52 and 107,741.76

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Solution

The fourth proportional to 197,160, 272,087.52 and 107,741.76 is: 148,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,160 : 272,087.52 = 107,741.76 : x
  2. Step 2: Convert to fraction form
    197,160/272,087.52 = 107,741.76/x
  3. Step 3: Cross multiply
    197,160x = 272,087.52 × 107,741.76
  4. Step 4: Simplify right side
    197,160x = 29,315,188,278.84
  5. Step 5: Solve for x
    x = 29,315,188,278.84/197,160
  6. Step 6: Final answer
    x = 148,687.30

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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.