Home / 96,701.70-145,052.55-30,147.21

Finding the Fourth Proportional to 96,701.70, 145,052.55 and 30,147.21

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Solution

The fourth proportional to 96,701.70, 145,052.55 and 30,147.21 is: 45,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,701.70 : 145,052.55 = 30,147.21 : x
  2. Step 2: Convert to fraction form
    96,701.70/145,052.55 = 30,147.21/x
  3. Step 3: Cross multiply
    96,701.70x = 145,052.55 × 30,147.21
  4. Step 4: Simplify right side
    96,701.70x = 4,372,929,685.89
  5. Step 5: Solve for x
    x = 4,372,929,685.89/96,701.70
  6. Step 6: Final answer
    x = 45,220.82

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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.