Home / 115,839.74-159,811.34-70,481.36

Finding the Fourth Proportional to 115,839.74, 159,811.34 and 70,481.36

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Solution

The fourth proportional to 115,839.74, 159,811.34 and 70,481.36 is: 97,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,839.74 : 159,811.34 = 70,481.36 : x
  2. Step 2: Convert to fraction form
    115,839.74/159,811.34 = 70,481.36/x
  3. Step 3: Cross multiply
    115,839.74x = 159,811.34 × 70,481.36
  4. Step 4: Simplify right side
    115,839.74x = 11,263,720,586.62
  5. Step 5: Solve for x
    x = 11,263,720,586.62/115,839.74
  6. Step 6: Final answer
    x = 97,235.38

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1.5x scale

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.