Home / 151,845.40-227,768.10-68,739.40

Finding the Fourth Proportional to 151,845.40, 227,768.10 and 68,739.40

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Solution

The fourth proportional to 151,845.40, 227,768.10 and 68,739.40 is: 103,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,845.40 : 227,768.10 = 68,739.40 : x
  2. Step 2: Convert to fraction form
    151,845.40/227,768.10 = 68,739.40/x
  3. Step 3: Cross multiply
    151,845.40x = 227,768.10 × 68,739.40
  4. Step 4: Simplify right side
    151,845.40x = 15,656,642,533.14
  5. Step 5: Solve for x
    x = 15,656,642,533.14/151,845.40
  6. Step 6: Final answer
    x = 103,109.10

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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.