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Finding the Fourth Proportional to 104,593.36, 144,341.04 and 64,329.88

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Solution

The fourth proportional to 104,593.36, 144,341.04 and 64,329.88 is: 88,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,593.36 : 144,341.04 = 64,329.88 : x
  2. Step 2: Convert to fraction form
    104,593.36/144,341.04 = 64,329.88/x
  3. Step 3: Cross multiply
    104,593.36x = 144,341.04 × 64,329.88
  4. Step 4: Simplify right side
    104,593.36x = 9,285,441,782.28
  5. Step 5: Solve for x
    x = 9,285,441,782.28/104,593.36
  6. Step 6: Final answer
    x = 88,776.59

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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.