Home / 143,319.07-214,983.47-38,138.14

Finding the Fourth Proportional to 143,319.07, 214,983.47 and 38,138.14

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Solution

The fourth proportional to 143,319.07, 214,983.47 and 38,138.14 is: 57,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,319.07 : 214,983.47 = 38,138.14 : x
  2. Step 2: Convert to fraction form
    143,319.07/214,983.47 = 38,138.14/x
  3. Step 3: Cross multiply
    143,319.07x = 214,983.47 × 38,138.14
  4. Step 4: Simplify right side
    143,319.07x = 8,199,069,826.09
  5. Step 5: Solve for x
    x = 8,199,069,826.09/143,319.07
  6. Step 6: Final answer
    x = 57,208.51

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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.