Home / 90,098.54-135,146.09-26,918.84

Finding the Fourth Proportional to 90,098.54, 135,146.09 and 26,918.84

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Solution

The fourth proportional to 90,098.54, 135,146.09 and 26,918.84 is: 40,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.54 : 135,146.09 = 26,918.84 : x
  2. Step 2: Convert to fraction form
    90,098.54/135,146.09 = 26,918.84/x
  3. Step 3: Cross multiply
    90,098.54x = 135,146.09 × 26,918.84
  4. Step 4: Simplify right side
    90,098.54x = 3,637,975,163.01
  5. Step 5: Solve for x
    x = 3,637,975,163.01/90,098.54
  6. Step 6: Final answer
    x = 40,377.74

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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.