Home / 96,768.32-145,152.50-30,214.15

Finding the Fourth Proportional to 96,768.32, 145,152.50 and 30,214.15

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Solution

The fourth proportional to 96,768.32, 145,152.50 and 30,214.15 is: 45,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768.32 : 145,152.50 = 30,214.15 : x
  2. Step 2: Convert to fraction form
    96,768.32/145,152.50 = 30,214.15/x
  3. Step 3: Cross multiply
    96,768.32x = 145,152.50 × 30,214.15
  4. Step 4: Simplify right side
    96,768.32x = 4,385,659,695.22
  5. Step 5: Solve for x
    x = 4,385,659,695.22/96,768.32
  6. Step 6: Final answer
    x = 45,321.23

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Similar ratio
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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.