Home / 113,480.20-170,220.30-30,374.20

Finding the Fourth Proportional to 113,480.20, 170,220.30 and 30,374.20

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Solution

The fourth proportional to 113,480.20, 170,220.30 and 30,374.20 is: 45,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,480.20 : 170,220.30 = 30,374.20 : x
  2. Step 2: Convert to fraction form
    113,480.20/170,220.30 = 30,374.20/x
  3. Step 3: Cross multiply
    113,480.20x = 170,220.30 × 30,374.20
  4. Step 4: Simplify right side
    113,480.20x = 5,170,305,436.26
  5. Step 5: Solve for x
    x = 5,170,305,436.26/113,480.20
  6. Step 6: Final answer
    x = 45,561.30

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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.