Home / 143,132.85-214,797.66-49,638.60

Finding the Fourth Proportional to 143,132.85, 214,797.66 and 49,638.60

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Solution

The fourth proportional to 143,132.85, 214,797.66 and 49,638.60 is: 74,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132.85 : 214,797.66 = 49,638.60 : x
  2. Step 2: Convert to fraction form
    143,132.85/214,797.66 = 49,638.60/x
  3. Step 3: Cross multiply
    143,132.85x = 214,797.66 × 49,638.60
  4. Step 4: Simplify right side
    143,132.85x = 10,662,254,939.53
  5. Step 5: Solve for x
    x = 10,662,254,939.53/143,132.85
  6. Step 6: Final answer
    x = 74,492.02

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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.