Home / 143,319.10-214,983.52-38,138.18

Finding the Fourth Proportional to 143,319.10, 214,983.52 and 38,138.18

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Solution

The fourth proportional to 143,319.10, 214,983.52 and 38,138.18 is: 57,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,319.10 : 214,983.52 = 38,138.18 : x
  2. Step 2: Convert to fraction form
    143,319.10/214,983.52 = 38,138.18/x
  3. Step 3: Cross multiply
    143,319.10x = 214,983.52 × 38,138.18
  4. Step 4: Simplify right side
    143,319.10x = 8,199,080,182.79
  5. Step 5: Solve for x
    x = 8,199,080,182.79/143,319.10
  6. Step 6: Final answer
    x = 57,208.57

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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.