Home / 109,040.40-163,568.70-38,910.60

Finding the Fourth Proportional to 109,040.40, 163,568.70 and 38,910.60

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Solution

The fourth proportional to 109,040.40, 163,568.70 and 38,910.60 is: 58,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.40 : 163,568.70 = 38,910.60 : x
  2. Step 2: Convert to fraction form
    109,040.40/163,568.70 = 38,910.60/x
  3. Step 3: Cross multiply
    109,040.40x = 163,568.70 × 38,910.60
  4. Step 4: Simplify right side
    109,040.40x = 6,364,556,258.22
  5. Step 5: Solve for x
    x = 6,364,556,258.22/109,040.40
  6. Step 6: Final answer
    x = 58,368.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.