Home / 114,541.20-171,811.80-79,549.20

Finding the Fourth Proportional to 114,541.20, 171,811.80 and 79,549.20

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Solution

The fourth proportional to 114,541.20, 171,811.80 and 79,549.20 is: 119,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,541.20 : 171,811.80 = 79,549.20 : x
  2. Step 2: Convert to fraction form
    114,541.20/171,811.80 = 79,549.20/x
  3. Step 3: Cross multiply
    114,541.20x = 171,811.80 × 79,549.20
  4. Step 4: Simplify right side
    114,541.20x = 13,667,491,240.56
  5. Step 5: Solve for x
    x = 13,667,491,240.56/114,541.20
  6. Step 6: Final answer
    x = 119,323.80

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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.