Home / 143,292.60-214,938.90-38,122.20

Finding the Fourth Proportional to 143,292.60, 214,938.90 and 38,122.20

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Solution

The fourth proportional to 143,292.60, 214,938.90 and 38,122.20 is: 57,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292.60 : 214,938.90 = 38,122.20 : x
  2. Step 2: Convert to fraction form
    143,292.60/214,938.90 = 38,122.20/x
  3. Step 3: Cross multiply
    143,292.60x = 214,938.90 × 38,122.20
  4. Step 4: Simplify right side
    143,292.60x = 8,193,943,733.58
  5. Step 5: Solve for x
    x = 8,193,943,733.58/143,292.60
  6. Step 6: Final answer
    x = 57,183.30

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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.