Home / 205,313.70-307,999.71-63,170.75

Finding the Fourth Proportional to 205,313.70, 307,999.71 and 63,170.75

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Solution

The fourth proportional to 205,313.70, 307,999.71 and 63,170.75 is: 94,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,313.70 : 307,999.71 = 63,170.75 : x
  2. Step 2: Convert to fraction form
    205,313.70/307,999.71 = 63,170.75/x
  3. Step 3: Cross multiply
    205,313.70x = 307,999.71 × 63,170.75
  4. Step 4: Simplify right side
    205,313.70x = 19,456,572,680.48
  5. Step 5: Solve for x
    x = 19,456,572,680.48/205,313.70
  6. Step 6: Final answer
    x = 94,765.10

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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.