Home / 143,170.20-214,779.60-43,329.60

Finding the Fourth Proportional to 143,170.20, 214,779.60 and 43,329.60

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Solution

The fourth proportional to 143,170.20, 214,779.60 and 43,329.60 is: 65,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,170.20 : 214,779.60 = 43,329.60 : x
  2. Step 2: Convert to fraction form
    143,170.20/214,779.60 = 43,329.60/x
  3. Step 3: Cross multiply
    143,170.20x = 214,779.60 × 43,329.60
  4. Step 4: Simplify right side
    143,170.20x = 9,306,314,156.16
  5. Step 5: Solve for x
    x = 9,306,314,156.16/143,170.20
  6. Step 6: Final answer
    x = 65,001.75

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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.