Home / 96,868.80-145,307.22-30,310.20

Finding the Fourth Proportional to 96,868.80, 145,307.22 and 30,310.20

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Solution

The fourth proportional to 96,868.80, 145,307.22 and 30,310.20 is: 45,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,868.80 : 145,307.22 = 30,310.20 : x
  2. Step 2: Convert to fraction form
    96,868.80/145,307.22 = 30,310.20/x
  3. Step 3: Cross multiply
    96,868.80x = 145,307.22 × 30,310.20
  4. Step 4: Simplify right side
    96,868.80x = 4,404,290,899.64
  5. Step 5: Solve for x
    x = 4,404,290,899.64/96,868.80
  6. Step 6: Final answer
    x = 45,466.56

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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.