Home / 129,880.22-194,776.59-104,860.94

Finding the Fourth Proportional to 129,880.22, 194,776.59 and 104,860.94

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Solution

The fourth proportional to 129,880.22, 194,776.59 and 104,860.94 is: 157,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,880.22 : 194,776.59 = 104,860.94 : x
  2. Step 2: Convert to fraction form
    129,880.22/194,776.59 = 104,860.94/x
  3. Step 3: Cross multiply
    129,880.22x = 194,776.59 × 104,860.94
  4. Step 4: Simplify right side
    129,880.22x = 20,424,456,317.39
  5. Step 5: Solve for x
    x = 20,424,456,317.39/129,880.22
  6. Step 6: Final answer
    x = 157,256.10

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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.