Home / 100,777.27-151,187.77-30,654.76

Finding the Fourth Proportional to 100,777.27, 151,187.77 and 30,654.76

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Solution

The fourth proportional to 100,777.27, 151,187.77 and 30,654.76 is: 45,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,777.27 : 151,187.77 = 30,654.76 : x
  2. Step 2: Convert to fraction form
    100,777.27/151,187.77 = 30,654.76/x
  3. Step 3: Cross multiply
    100,777.27x = 151,187.77 × 30,654.76
  4. Step 4: Simplify right side
    100,777.27x = 4,634,624,349.68
  5. Step 5: Solve for x
    x = 4,634,624,349.68/100,777.27
  6. Step 6: Final answer
    x = 45,988.79

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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.