Home / 130,625.81-195,839.99-67,418.47

Finding the Fourth Proportional to 130,625.81, 195,839.99 and 67,418.47

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Solution

The fourth proportional to 130,625.81, 195,839.99 and 67,418.47 is: 101,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,625.81 : 195,839.99 = 67,418.47 : x
  2. Step 2: Convert to fraction form
    130,625.81/195,839.99 = 67,418.47/x
  3. Step 3: Cross multiply
    130,625.81x = 195,839.99 × 67,418.47
  4. Step 4: Simplify right side
    130,625.81x = 13,203,231,174.32
  5. Step 5: Solve for x
    x = 13,203,231,174.32/130,625.81
  6. Step 6: Final answer
    x = 101,076.74

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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.