Home / 102,408.12-153,620.82-32,291.64

Finding the Fourth Proportional to 102,408.12, 153,620.82 and 32,291.64

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Solution

The fourth proportional to 102,408.12, 153,620.82 and 32,291.64 is: 48,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,408.12 : 153,620.82 = 32,291.64 : x
  2. Step 2: Convert to fraction form
    102,408.12/153,620.82 = 32,291.64/x
  3. Step 3: Cross multiply
    102,408.12x = 153,620.82 × 32,291.64
  4. Step 4: Simplify right side
    102,408.12x = 4,960,668,215.94
  5. Step 5: Solve for x
    x = 4,960,668,215.94/102,408.12
  6. Step 6: Final answer
    x = 48,440.18

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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.