Home / 140,843.17-194,368.32-77,180.41

Finding the Fourth Proportional to 140,843.17, 194,368.32 and 77,180.41

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Solution

The fourth proportional to 140,843.17, 194,368.32 and 77,180.41 is: 106,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,843.17 : 194,368.32 = 77,180.41 : x
  2. Step 2: Convert to fraction form
    140,843.17/194,368.32 = 77,180.41/x
  3. Step 3: Cross multiply
    140,843.17x = 194,368.32 × 77,180.41
  4. Step 4: Simplify right side
    140,843.17x = 15,001,426,628.61
  5. Step 5: Solve for x
    x = 15,001,426,628.61/140,843.17
  6. Step 6: Final answer
    x = 106,511.57

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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.