Home / 120,636.48-180,956.03-36,397.38

Finding the Fourth Proportional to 120,636.48, 180,956.03 and 36,397.38

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Solution

The fourth proportional to 120,636.48, 180,956.03 and 36,397.38 is: 54,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,636.48 : 180,956.03 = 36,397.38 : x
  2. Step 2: Convert to fraction form
    120,636.48/180,956.03 = 36,397.38/x
  3. Step 3: Cross multiply
    120,636.48x = 180,956.03 × 36,397.38
  4. Step 4: Simplify right side
    120,636.48x = 6,586,325,205.21
  5. Step 5: Solve for x
    x = 6,586,325,205.21/120,636.48
  6. Step 6: Final answer
    x = 54,596.46

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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.