Home / 143,135.93-214,711.43-43,293.58

Finding the Fourth Proportional to 143,135.93, 214,711.43 and 43,293.58

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Solution

The fourth proportional to 143,135.93, 214,711.43 and 43,293.58 is: 64,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,135.93 : 214,711.43 = 43,293.58 : x
  2. Step 2: Convert to fraction form
    143,135.93/214,711.43 = 43,293.58/x
  3. Step 3: Cross multiply
    143,135.93x = 214,711.43 × 43,293.58
  4. Step 4: Simplify right side
    143,135.93x = 9,295,625,718.37
  5. Step 5: Solve for x
    x = 9,295,625,718.37/143,135.93
  6. Step 6: Final answer
    x = 64,942.64

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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.