Home / 90,384.26-135,496.19-34,185.04

Finding the Fourth Proportional to 90,384.26, 135,496.19 and 34,185.04

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Solution

The fourth proportional to 90,384.26, 135,496.19 and 34,185.04 is: 51,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.26 : 135,496.19 = 34,185.04 : x
  2. Step 2: Convert to fraction form
    90,384.26/135,496.19 = 34,185.04/x
  3. Step 3: Cross multiply
    90,384.26x = 135,496.19 × 34,185.04
  4. Step 4: Simplify right side
    90,384.26x = 4,631,942,421.72
  5. Step 5: Solve for x
    x = 4,631,942,421.72/90,384.26
  6. Step 6: Final answer
    x = 51,247.23

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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.