Home / 143,338.89-214,925.25-48,537.43

Finding the Fourth Proportional to 143,338.89, 214,925.25 and 48,537.43

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Solution

The fourth proportional to 143,338.89, 214,925.25 and 48,537.43 is: 72,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,338.89 : 214,925.25 = 48,537.43 : x
  2. Step 2: Convert to fraction form
    143,338.89/214,925.25 = 48,537.43/x
  3. Step 3: Cross multiply
    143,338.89x = 214,925.25 × 48,537.43
  4. Step 4: Simplify right side
    143,338.89x = 10,431,919,277.11
  5. Step 5: Solve for x
    x = 10,431,919,277.11/143,338.89
  6. Step 6: Final answer
    x = 72,778.01

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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.