Home / 104,008.84-143,528.82-65,789.26

Finding the Fourth Proportional to 104,008.84, 143,528.82 and 65,789.26

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Solution

The fourth proportional to 104,008.84, 143,528.82 and 65,789.26 is: 90,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.84 : 143,528.82 = 65,789.26 : x
  2. Step 2: Convert to fraction form
    104,008.84/143,528.82 = 65,789.26/x
  3. Step 3: Cross multiply
    104,008.84x = 143,528.82 × 65,789.26
  4. Step 4: Simplify right side
    104,008.84x = 9,442,654,856.47
  5. Step 5: Solve for x
    x = 9,442,654,856.47/104,008.84
  6. Step 6: Final answer
    x = 90,787.04

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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.