Home / 98,489.47-136,464.38-96,361.24

Finding the Fourth Proportional to 98,489.47, 136,464.38 and 96,361.24

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Solution

The fourth proportional to 98,489.47, 136,464.38 and 96,361.24 is: 133,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,489.47 : 136,464.38 = 96,361.24 : x
  2. Step 2: Convert to fraction form
    98,489.47/136,464.38 = 96,361.24/x
  3. Step 3: Cross multiply
    98,489.47x = 136,464.38 × 96,361.24
  4. Step 4: Simplify right side
    98,489.47x = 13,149,876,872.63
  5. Step 5: Solve for x
    x = 13,149,876,872.63/98,489.47
  6. Step 6: Final answer
    x = 133,515.57

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.