Home / 190,443.24-285,418.82-90,634.02

Finding the Fourth Proportional to 190,443.24, 285,418.82 and 90,634.02

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Solution

The fourth proportional to 190,443.24, 285,418.82 and 90,634.02 is: 135,833.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,443.24 : 285,418.82 = 90,634.02 : x
  2. Step 2: Convert to fraction form
    190,443.24/285,418.82 = 90,634.02/x
  3. Step 3: Cross multiply
    190,443.24x = 285,418.82 × 90,634.02
  4. Step 4: Simplify right side
    190,443.24x = 25,868,655,827.35
  5. Step 5: Solve for x
    x = 25,868,655,827.35/190,443.24
  6. Step 6: Final answer
    x = 135,833.94

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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.