Home / 111,272.64-153,511.20-63,516.48

Finding the Fourth Proportional to 111,272.64, 153,511.20 and 63,516.48

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Solution

The fourth proportional to 111,272.64, 153,511.20 and 63,516.48 is: 87,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,272.64 : 153,511.20 = 63,516.48 : x
  2. Step 2: Convert to fraction form
    111,272.64/153,511.20 = 63,516.48/x
  3. Step 3: Cross multiply
    111,272.64x = 153,511.20 × 63,516.48
  4. Step 4: Simplify right side
    111,272.64x = 9,750,491,064.58
  5. Step 5: Solve for x
    x = 9,750,491,064.58/111,272.64
  6. Step 6: Final answer
    x = 87,627.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.