Home / 112,771.72-169,245.60-49,635.64

Finding the Fourth Proportional to 112,771.72, 169,245.60 and 49,635.64

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Solution

The fourth proportional to 112,771.72, 169,245.60 and 49,635.64 is: 74,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,771.72 : 169,245.60 = 49,635.64 : x
  2. Step 2: Convert to fraction form
    112,771.72/169,245.60 = 49,635.64/x
  3. Step 3: Cross multiply
    112,771.72x = 169,245.60 × 49,635.64
  4. Step 4: Simplify right side
    112,771.72x = 8,400,613,673.18
  5. Step 5: Solve for x
    x = 8,400,613,673.18/112,771.72
  6. Step 6: Final answer
    x = 74,492.20

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1.5x scale

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.