Home / 143,261.98-214,892.73-38,080.94

Finding the Fourth Proportional to 143,261.98, 214,892.73 and 38,080.94

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Solution

The fourth proportional to 143,261.98, 214,892.73 and 38,080.94 is: 57,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.98 : 214,892.73 = 38,080.94 : x
  2. Step 2: Convert to fraction form
    143,261.98/214,892.73 = 38,080.94/x
  3. Step 3: Cross multiply
    143,261.98x = 214,892.73 × 38,080.94
  4. Step 4: Simplify right side
    143,261.98x = 8,183,316,083.10
  5. Step 5: Solve for x
    x = 8,183,316,083.10/143,261.98
  6. Step 6: Final answer
    x = 57,121.34

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1.5x scale

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.