Home / 129,664.48-194,531.32-46,559.20

Finding the Fourth Proportional to 129,664.48, 194,531.32 and 46,559.20

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Solution

The fourth proportional to 129,664.48, 194,531.32 and 46,559.20 is: 69,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,664.48 : 194,531.32 = 46,559.20 : x
  2. Step 2: Convert to fraction form
    129,664.48/194,531.32 = 46,559.20/x
  3. Step 3: Cross multiply
    129,664.48x = 194,531.32 × 46,559.20
  4. Step 4: Simplify right side
    129,664.48x = 9,057,222,634.14
  5. Step 5: Solve for x
    x = 9,057,222,634.14/129,664.48
  6. Step 6: Final answer
    x = 69,851.22

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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.