Home / 104,964.81-144,762.30-88,691.75

Finding the Fourth Proportional to 104,964.81, 144,762.30 and 88,691.75

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Solution

The fourth proportional to 104,964.81, 144,762.30 and 88,691.75 is: 122,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,964.81 : 144,762.30 = 88,691.75 : x
  2. Step 2: Convert to fraction form
    104,964.81/144,762.30 = 88,691.75/x
  3. Step 3: Cross multiply
    104,964.81x = 144,762.30 × 88,691.75
  4. Step 4: Simplify right side
    104,964.81x = 12,839,220,997.21
  5. Step 5: Solve for x
    x = 12,839,220,997.21/104,964.81
  6. Step 6: Final answer
    x = 122,319.29

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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.