Home / 104,982.66-144,830.52-66,721.77

Finding the Fourth Proportional to 104,982.66, 144,830.52 and 66,721.77

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Solution

The fourth proportional to 104,982.66, 144,830.52 and 66,721.77 is: 92,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,982.66 : 144,830.52 = 66,721.77 : x
  2. Step 2: Convert to fraction form
    104,982.66/144,830.52 = 66,721.77/x
  3. Step 3: Cross multiply
    104,982.66x = 144,830.52 × 66,721.77
  4. Step 4: Simplify right side
    104,982.66x = 9,663,348,644.42
  5. Step 5: Solve for x
    x = 9,663,348,644.42/104,982.66
  6. Step 6: Final answer
    x = 92,047.09

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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.