Home / 275,623.56-413,435.21-75,945.87

Finding the Fourth Proportional to 275,623.56, 413,435.21 and 75,945.87

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Solution

The fourth proportional to 275,623.56, 413,435.21 and 75,945.87 is: 113,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,623.56 : 413,435.21 = 75,945.87 : x
  2. Step 2: Convert to fraction form
    275,623.56/413,435.21 = 75,945.87/x
  3. Step 3: Cross multiply
    275,623.56x = 413,435.21 × 75,945.87
  4. Step 4: Simplify right side
    275,623.56x = 31,398,696,332.35
  5. Step 5: Solve for x
    x = 31,398,696,332.35/275,623.56
  6. Step 6: Final answer
    x = 113,918.77

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1.5x scale

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.