Home / 104,815.72-144,613.26-63,988.60

Finding the Fourth Proportional to 104,815.72, 144,613.26 and 63,988.60

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Solution

The fourth proportional to 104,815.72, 144,613.26 and 63,988.60 is: 88,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,815.72 : 144,613.26 = 63,988.60 : x
  2. Step 2: Convert to fraction form
    104,815.72/144,613.26 = 63,988.60/x
  3. Step 3: Cross multiply
    104,815.72x = 144,613.26 × 63,988.60
  4. Step 4: Simplify right side
    104,815.72x = 9,253,600,048.84
  5. Step 5: Solve for x
    x = 9,253,600,048.84/104,815.72
  6. Step 6: Final answer
    x = 88,284.47

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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.