Home / 143,314.68-214,971.75-38,133.66

Finding the Fourth Proportional to 143,314.68, 214,971.75 and 38,133.66

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Solution

The fourth proportional to 143,314.68, 214,971.75 and 38,133.66 is: 57,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,314.68 : 214,971.75 = 38,133.66 : x
  2. Step 2: Convert to fraction form
    143,314.68/214,971.75 = 38,133.66/x
  3. Step 3: Cross multiply
    143,314.68x = 214,971.75 × 38,133.66
  4. Step 4: Simplify right side
    143,314.68x = 8,197,659,624.11
  5. Step 5: Solve for x
    x = 8,197,659,624.11/143,314.68
  6. Step 6: Final answer
    x = 57,200.42

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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.