Home / 120,314.30-180,436.41-36,071.10

Finding the Fourth Proportional to 120,314.30, 180,436.41 and 36,071.10

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Solution

The fourth proportional to 120,314.30, 180,436.41 and 36,071.10 is: 54,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,314.30 : 180,436.41 = 36,071.10 : x
  2. Step 2: Convert to fraction form
    120,314.30/180,436.41 = 36,071.10/x
  3. Step 3: Cross multiply
    120,314.30x = 180,436.41 × 36,071.10
  4. Step 4: Simplify right side
    120,314.30x = 6,508,539,788.75
  5. Step 5: Solve for x
    x = 6,508,539,788.75/120,314.30
  6. Step 6: Final answer
    x = 54,096.14

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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.