Home / 209,134.74-313,563.42-75,999.18

Finding the Fourth Proportional to 209,134.74, 313,563.42 and 75,999.18

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Solution

The fourth proportional to 209,134.74, 313,563.42 and 75,999.18 is: 113,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,134.74 : 313,563.42 = 75,999.18 : x
  2. Step 2: Convert to fraction form
    209,134.74/313,563.42 = 75,999.18/x
  3. Step 3: Cross multiply
    209,134.74x = 313,563.42 × 75,999.18
  4. Step 4: Simplify right side
    209,134.74x = 23,830,562,798.00
  5. Step 5: Solve for x
    x = 23,830,562,798.00/209,134.74
  6. Step 6: Final answer
    x = 113,948.37

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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.