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Finding the Fourth Proportional to 104,959.84, 144,844.61 and 59,637.88

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Solution

The fourth proportional to 104,959.84, 144,844.61 and 59,637.88 is: 82,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,959.84 : 144,844.61 = 59,637.88 : x
  2. Step 2: Convert to fraction form
    104,959.84/144,844.61 = 59,637.88/x
  3. Step 3: Cross multiply
    104,959.84x = 144,844.61 × 59,637.88
  4. Step 4: Simplify right side
    104,959.84x = 8,638,225,469.83
  5. Step 5: Solve for x
    x = 8,638,225,469.83/104,959.84
  6. Step 6: Final answer
    x = 82,300.29

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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.