Home / 129,909.44-179,266.56-73,313.12

Finding the Fourth Proportional to 129,909.44, 179,266.56 and 73,313.12

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Solution

The fourth proportional to 129,909.44, 179,266.56 and 73,313.12 is: 101,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,909.44 : 179,266.56 = 73,313.12 : x
  2. Step 2: Convert to fraction form
    129,909.44/179,266.56 = 73,313.12/x
  3. Step 3: Cross multiply
    129,909.44x = 179,266.56 × 73,313.12
  4. Step 4: Simplify right side
    129,909.44x = 13,142,590,825.27
  5. Step 5: Solve for x
    x = 13,142,590,825.27/129,909.44
  6. Step 6: Final answer
    x = 101,167.33

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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.