Home / 129,571.30-178,747.27-75,823.05

Finding the Fourth Proportional to 129,571.30, 178,747.27 and 75,823.05

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Solution

The fourth proportional to 129,571.30, 178,747.27 and 75,823.05 is: 104,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,571.30 : 178,747.27 = 75,823.05 : x
  2. Step 2: Convert to fraction form
    129,571.30/178,747.27 = 75,823.05/x
  3. Step 3: Cross multiply
    129,571.30x = 178,747.27 × 75,823.05
  4. Step 4: Simplify right side
    129,571.30x = 13,553,163,190.57
  5. Step 5: Solve for x
    x = 13,553,163,190.57/129,571.30
  6. Step 6: Final answer
    x = 104,600.04

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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.