Home / 129,907.94-194,839.95-36,392.18

Finding the Fourth Proportional to 129,907.94, 194,839.95 and 36,392.18

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Solution

The fourth proportional to 129,907.94, 194,839.95 and 36,392.18 is: 54,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,907.94 : 194,839.95 = 36,392.18 : x
  2. Step 2: Convert to fraction form
    129,907.94/194,839.95 = 36,392.18/x
  3. Step 3: Cross multiply
    129,907.94x = 194,839.95 × 36,392.18
  4. Step 4: Simplify right side
    129,907.94x = 7,090,650,531.59
  5. Step 5: Solve for x
    x = 7,090,650,531.59/129,907.94
  6. Step 6: Final answer
    x = 54,582.12

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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.