Home / 80,846.53-121,264.16-30,235.93

Finding the Fourth Proportional to 80,846.53, 121,264.16 and 30,235.93

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Solution

The fourth proportional to 80,846.53, 121,264.16 and 30,235.93 is: 45,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846.53 : 121,264.16 = 30,235.93 : x
  2. Step 2: Convert to fraction form
    80,846.53/121,264.16 = 30,235.93/x
  3. Step 3: Cross multiply
    80,846.53x = 121,264.16 × 30,235.93
  4. Step 4: Simplify right side
    80,846.53x = 3,666,534,198.93
  5. Step 5: Solve for x
    x = 3,666,534,198.93/80,846.53
  6. Step 6: Final answer
    x = 45,351.78

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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.