Home / 126,213.76-174,175.56-69,625.12

Finding the Fourth Proportional to 126,213.76, 174,175.56 and 69,625.12

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Solution

The fourth proportional to 126,213.76, 174,175.56 and 69,625.12 is: 96,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,213.76 : 174,175.56 = 69,625.12 : x
  2. Step 2: Convert to fraction form
    126,213.76/174,175.56 = 69,625.12/x
  3. Step 3: Cross multiply
    126,213.76x = 174,175.56 × 69,625.12
  4. Step 4: Simplify right side
    126,213.76x = 12,126,994,266.07
  5. Step 5: Solve for x
    x = 12,126,994,266.07/126,213.76
  6. Step 6: Final answer
    x = 96,082.98

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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.