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Finding the Fourth Proportional to 96,019.20, 144,201.60 and 92,908.80

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Solution

The fourth proportional to 96,019.20, 144,201.60 and 92,908.80 is: 139,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,019.20 : 144,201.60 = 92,908.80 : x
  2. Step 2: Convert to fraction form
    96,019.20/144,201.60 = 92,908.80/x
  3. Step 3: Cross multiply
    96,019.20x = 144,201.60 × 92,908.80
  4. Step 4: Simplify right side
    96,019.20x = 13,397,597,614.08
  5. Step 5: Solve for x
    x = 13,397,597,614.08/96,019.20
  6. Step 6: Final answer
    x = 139,530.40

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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.