Home / 90,836.96-136,239.40-27,641.84

Finding the Fourth Proportional to 90,836.96, 136,239.40 and 27,641.84

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Solution

The fourth proportional to 90,836.96, 136,239.40 and 27,641.84 is: 41,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,836.96 : 136,239.40 = 27,641.84 : x
  2. Step 2: Convert to fraction form
    90,836.96/136,239.40 = 27,641.84/x
  3. Step 3: Cross multiply
    90,836.96x = 136,239.40 × 27,641.84
  4. Step 4: Simplify right side
    90,836.96x = 3,765,907,696.50
  5. Step 5: Solve for x
    x = 3,765,907,696.50/90,836.96
  6. Step 6: Final answer
    x = 41,457.88

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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.