Home / 151,538.60-227,258.72-71,564.20

Finding the Fourth Proportional to 151,538.60, 227,258.72 and 71,564.20

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Solution

The fourth proportional to 151,538.60, 227,258.72 and 71,564.20 is: 107,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,538.60 : 227,258.72 = 71,564.20 : x
  2. Step 2: Convert to fraction form
    151,538.60/227,258.72 = 71,564.20/x
  3. Step 3: Cross multiply
    151,538.60x = 227,258.72 × 71,564.20
  4. Step 4: Simplify right side
    151,538.60x = 16,263,588,489.82
  5. Step 5: Solve for x
    x = 16,263,588,489.82/151,538.60
  6. Step 6: Final answer
    x = 107,323.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.