Home / 120,362.39-180,561.17-36,129.19

Finding the Fourth Proportional to 120,362.39, 180,561.17 and 36,129.19

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Solution

The fourth proportional to 120,362.39, 180,561.17 and 36,129.19 is: 54,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,362.39 : 180,561.17 = 36,129.19 : x
  2. Step 2: Convert to fraction form
    120,362.39/180,561.17 = 36,129.19/x
  3. Step 3: Cross multiply
    120,362.39x = 180,561.17 × 36,129.19
  4. Step 4: Simplify right side
    120,362.39x = 6,523,528,817.55
  5. Step 5: Solve for x
    x = 6,523,528,817.55/120,362.39
  6. Step 6: Final answer
    x = 54,199.06

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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.