Home / 184,915.11-255,190.09-108,423.57

Finding the Fourth Proportional to 184,915.11, 255,190.09 and 108,423.57

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Solution

The fourth proportional to 184,915.11, 255,190.09 and 108,423.57 is: 149,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,915.11 : 255,190.09 = 108,423.57 : x
  2. Step 2: Convert to fraction form
    184,915.11/255,190.09 = 108,423.57/x
  3. Step 3: Cross multiply
    184,915.11x = 255,190.09 × 108,423.57
  4. Step 4: Simplify right side
    184,915.11x = 27,668,620,586.42
  5. Step 5: Solve for x
    x = 27,668,620,586.42/184,915.11
  6. Step 6: Final answer
    x = 149,628.77

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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.