Home / 145,945.24-201,396.61-82,278.93

Finding the Fourth Proportional to 145,945.24, 201,396.61 and 82,278.93

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Solution

The fourth proportional to 145,945.24, 201,396.61 and 82,278.93 is: 113,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.24 : 201,396.61 = 82,278.93 : x
  2. Step 2: Convert to fraction form
    145,945.24/201,396.61 = 82,278.93/x
  3. Step 3: Cross multiply
    145,945.24x = 201,396.61 × 82,278.93
  4. Step 4: Simplify right side
    145,945.24x = 16,570,697,576.43
  5. Step 5: Solve for x
    x = 16,570,697,576.43/145,945.24
  6. Step 6: Final answer
    x = 113,540.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.