Home / 79,144.14-109,214.19-43,334.22

Finding the Fourth Proportional to 79,144.14, 109,214.19 and 43,334.22

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Solution

The fourth proportional to 79,144.14, 109,214.19 and 43,334.22 is: 59,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,144.14 : 109,214.19 = 43,334.22 : x
  2. Step 2: Convert to fraction form
    79,144.14/109,214.19 = 43,334.22/x
  3. Step 3: Cross multiply
    79,144.14x = 109,214.19 × 43,334.22
  4. Step 4: Simplify right side
    79,144.14x = 4,732,711,736.58
  5. Step 5: Solve for x
    x = 4,732,711,736.58/79,144.14
  6. Step 6: Final answer
    x = 59,798.64

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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.