Home / 140,916.02-194,460.08-80,485.41

Finding the Fourth Proportional to 140,916.02, 194,460.08 and 80,485.41

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Solution

The fourth proportional to 140,916.02, 194,460.08 and 80,485.41 is: 111,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,916.02 : 194,460.08 = 80,485.41 : x
  2. Step 2: Convert to fraction form
    140,916.02/194,460.08 = 80,485.41/x
  3. Step 3: Cross multiply
    140,916.02x = 194,460.08 × 80,485.41
  4. Step 4: Simplify right side
    140,916.02x = 15,651,199,267.43
  5. Step 5: Solve for x
    x = 15,651,199,267.43/140,916.02
  6. Step 6: Final answer
    x = 111,067.57

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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.