Home / 143,084.22-214,630.95-71,968.05

Finding the Fourth Proportional to 143,084.22, 214,630.95 and 71,968.05

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Solution

The fourth proportional to 143,084.22, 214,630.95 and 71,968.05 is: 107,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,084.22 : 214,630.95 = 71,968.05 : x
  2. Step 2: Convert to fraction form
    143,084.22/214,630.95 = 71,968.05/x
  3. Step 3: Cross multiply
    143,084.22x = 214,630.95 × 71,968.05
  4. Step 4: Simplify right side
    143,084.22x = 15,446,570,581.31
  5. Step 5: Solve for x
    x = 15,446,570,581.31/143,084.22
  6. Step 6: Final answer
    x = 107,954.40

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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.