Home / 91,001.68-136,502.88-27,821.58

Finding the Fourth Proportional to 91,001.68, 136,502.88 and 27,821.58

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Solution

The fourth proportional to 91,001.68, 136,502.88 and 27,821.58 is: 41,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,001.68 : 136,502.88 = 27,821.58 : x
  2. Step 2: Convert to fraction form
    91,001.68/136,502.88 = 27,821.58/x
  3. Step 3: Cross multiply
    91,001.68x = 136,502.88 × 27,821.58
  4. Step 4: Simplify right side
    91,001.68x = 3,797,725,796.15
  5. Step 5: Solve for x
    x = 3,797,725,796.15/91,001.68
  6. Step 6: Final answer
    x = 41,732.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.