Home / 252,443.85-378,399.95-83,918.94

Finding the Fourth Proportional to 252,443.85, 378,399.95 and 83,918.94

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Solution

The fourth proportional to 252,443.85, 378,399.95 and 83,918.94 is: 125,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,443.85 : 378,399.95 = 83,918.94 : x
  2. Step 2: Convert to fraction form
    252,443.85/378,399.95 = 83,918.94/x
  3. Step 3: Cross multiply
    252,443.85x = 378,399.95 × 83,918.94
  4. Step 4: Simplify right side
    252,443.85x = 31,754,923,777.24
  5. Step 5: Solve for x
    x = 31,754,923,777.24/252,443.85
  6. Step 6: Final answer
    x = 125,790.05

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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.