Home / 98,231.20-147,249.60-48,270.40

Finding the Fourth Proportional to 98,231.20, 147,249.60 and 48,270.40

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Solution

The fourth proportional to 98,231.20, 147,249.60 and 48,270.40 is: 72,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,231.20 : 147,249.60 = 48,270.40 : x
  2. Step 2: Convert to fraction form
    98,231.20/147,249.60 = 48,270.40/x
  3. Step 3: Cross multiply
    98,231.20x = 147,249.60 × 48,270.40
  4. Step 4: Simplify right side
    98,231.20x = 7,107,797,091.84
  5. Step 5: Solve for x
    x = 7,107,797,091.84/98,231.20
  6. Step 6: Final answer
    x = 72,357.84

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1.5x scale

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.