Home / 96,768.07-145,152.12-30,213.90

Finding the Fourth Proportional to 96,768.07, 145,152.12 and 30,213.90

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Solution

The fourth proportional to 96,768.07, 145,152.12 and 30,213.90 is: 45,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768.07 : 145,152.12 = 30,213.90 : x
  2. Step 2: Convert to fraction form
    96,768.07/145,152.12 = 30,213.90/x
  3. Step 3: Cross multiply
    96,768.07x = 145,152.12 × 30,213.90
  4. Step 4: Simplify right side
    96,768.07x = 4,385,611,967.28
  5. Step 5: Solve for x
    x = 4,385,611,967.28/96,768.07
  6. Step 6: Final answer
    x = 45,320.86

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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.