Home / 197,784.67-272,944.15-107,140.64

Finding the Fourth Proportional to 197,784.67, 272,944.15 and 107,140.64

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Solution

The fourth proportional to 197,784.67, 272,944.15 and 107,140.64 is: 147,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,784.67 : 272,944.15 = 107,140.64 : x
  2. Step 2: Convert to fraction form
    197,784.67/272,944.15 = 107,140.64/x
  3. Step 3: Cross multiply
    197,784.67x = 272,944.15 × 107,140.64
  4. Step 4: Simplify right side
    197,784.67x = 29,243,410,915.26
  5. Step 5: Solve for x
    x = 29,243,410,915.26/197,784.67
  6. Step 6: Final answer
    x = 147,854.79

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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.