Home / 120,619.17-180,880.16-36,353.25

Finding the Fourth Proportional to 120,619.17, 180,880.16 and 36,353.25

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Solution

The fourth proportional to 120,619.17, 180,880.16 and 36,353.25 is: 54,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,619.17 : 180,880.16 = 36,353.25 : x
  2. Step 2: Convert to fraction form
    120,619.17/180,880.16 = 36,353.25/x
  3. Step 3: Cross multiply
    120,619.17x = 180,880.16 × 36,353.25
  4. Step 4: Simplify right side
    120,619.17x = 6,575,581,494.75
  5. Step 5: Solve for x
    x = 6,575,581,494.75/120,619.17
  6. Step 6: Final answer
    x = 54,515.23

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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.