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Finding the Fourth Proportional to 104,205.78, 143,802.10 and 58,882.78

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Solution

The fourth proportional to 104,205.78, 143,802.10 and 58,882.78 is: 81,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,205.78 : 143,802.10 = 58,882.78 : x
  2. Step 2: Convert to fraction form
    104,205.78/143,802.10 = 58,882.78/x
  3. Step 3: Cross multiply
    104,205.78x = 143,802.10 × 58,882.78
  4. Step 4: Simplify right side
    104,205.78x = 8,467,467,422.78
  5. Step 5: Solve for x
    x = 8,467,467,422.78/104,205.78
  6. Step 6: Final answer
    x = 81,257.18

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1.5x scale

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.