Home / 90,384.33-135,549.12-27,187.68

Finding the Fourth Proportional to 90,384.33, 135,549.12 and 27,187.68

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Solution

The fourth proportional to 90,384.33, 135,549.12 and 27,187.68 is: 40,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.33 : 135,549.12 = 27,187.68 : x
  2. Step 2: Convert to fraction form
    90,384.33/135,549.12 = 27,187.68/x
  3. Step 3: Cross multiply
    90,384.33x = 135,549.12 × 27,187.68
  4. Step 4: Simplify right side
    90,384.33x = 3,685,266,098.84
  5. Step 5: Solve for x
    x = 3,685,266,098.84/90,384.33
  6. Step 6: Final answer
    x = 40,773.29

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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.