Home / 112,308.46-154,986.21-61,322.23

Finding the Fourth Proportional to 112,308.46, 154,986.21 and 61,322.23

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Solution

The fourth proportional to 112,308.46, 154,986.21 and 61,322.23 is: 84,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308.46 : 154,986.21 = 61,322.23 : x
  2. Step 2: Convert to fraction form
    112,308.46/154,986.21 = 61,322.23/x
  3. Step 3: Cross multiply
    112,308.46x = 154,986.21 × 61,322.23
  4. Step 4: Simplify right side
    112,308.46x = 9,504,100,016.45
  5. Step 5: Solve for x
    x = 9,504,100,016.45/112,308.46
  6. Step 6: Final answer
    x = 84,624.97

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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.