Home / 140,686.24-194,165.50-80,243.02

Finding the Fourth Proportional to 140,686.24, 194,165.50 and 80,243.02

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Solution

The fourth proportional to 140,686.24, 194,165.50 and 80,243.02 is: 110,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,686.24 : 194,165.50 = 80,243.02 : x
  2. Step 2: Convert to fraction form
    140,686.24/194,165.50 = 80,243.02/x
  3. Step 3: Cross multiply
    140,686.24x = 194,165.50 × 80,243.02
  4. Step 4: Simplify right side
    140,686.24x = 15,580,426,099.81
  5. Step 5: Solve for x
    x = 15,580,426,099.81/140,686.24
  6. Step 6: Final answer
    x = 110,745.91

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1.5x scale

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.