Home / 141,074.47-194,685.15-77,418.19

Finding the Fourth Proportional to 141,074.47, 194,685.15 and 77,418.19

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Solution

The fourth proportional to 141,074.47, 194,685.15 and 77,418.19 is: 106,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,074.47 : 194,685.15 = 77,418.19 : x
  2. Step 2: Convert to fraction form
    141,074.47/194,685.15 = 77,418.19/x
  3. Step 3: Cross multiply
    141,074.47x = 194,685.15 × 77,418.19
  4. Step 4: Simplify right side
    141,074.47x = 15,072,171,932.88
  5. Step 5: Solve for x
    x = 15,072,171,932.88/141,074.47
  6. Step 6: Final answer
    x = 106,838.41

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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.