Home / 98,920.80-148,276.62-32,343.12

Finding the Fourth Proportional to 98,920.80, 148,276.62 and 32,343.12

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Solution

The fourth proportional to 98,920.80, 148,276.62 and 32,343.12 is: 48,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,920.80 : 148,276.62 = 32,343.12 : x
  2. Step 2: Convert to fraction form
    98,920.80/148,276.62 = 32,343.12/x
  3. Step 3: Cross multiply
    98,920.80x = 148,276.62 × 32,343.12
  4. Step 4: Simplify right side
    98,920.80x = 4,795,728,513.85
  5. Step 5: Solve for x
    x = 4,795,728,513.85/98,920.80
  6. Step 6: Final answer
    x = 48,480.49

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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.