Home / 163,016.21-224,961.76-91,396.19

Finding the Fourth Proportional to 163,016.21, 224,961.76 and 91,396.19

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Solution

The fourth proportional to 163,016.21, 224,961.76 and 91,396.19 is: 126,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,016.21 : 224,961.76 = 91,396.19 : x
  2. Step 2: Convert to fraction form
    163,016.21/224,961.76 = 91,396.19/x
  3. Step 3: Cross multiply
    163,016.21x = 224,961.76 × 91,396.19
  4. Step 4: Simplify right side
    163,016.21x = 20,560,647,759.69
  5. Step 5: Solve for x
    x = 20,560,647,759.69/163,016.21
  6. Step 6: Final answer
    x = 126,126.40

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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.