Home / 90,304.58-135,498.91-40,418.43

Finding the Fourth Proportional to 90,304.58, 135,498.91 and 40,418.43

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Solution

The fourth proportional to 90,304.58, 135,498.91 and 40,418.43 is: 60,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304.58 : 135,498.91 = 40,418.43 : x
  2. Step 2: Convert to fraction form
    90,304.58/135,498.91 = 40,418.43/x
  3. Step 3: Cross multiply
    90,304.58x = 135,498.91 × 40,418.43
  4. Step 4: Simplify right side
    90,304.58x = 5,476,653,208.91
  5. Step 5: Solve for x
    x = 5,476,653,208.91/90,304.58
  6. Step 6: Final answer
    x = 60,646.46

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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.