Home / 109,271.20-163,906.80-96,440.80

Finding the Fourth Proportional to 109,271.20, 163,906.80 and 96,440.80

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Solution

The fourth proportional to 109,271.20, 163,906.80 and 96,440.80 is: 144,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,271.20 : 163,906.80 = 96,440.80 : x
  2. Step 2: Convert to fraction form
    109,271.20/163,906.80 = 96,440.80/x
  3. Step 3: Cross multiply
    109,271.20x = 163,906.80 × 96,440.80
  4. Step 4: Simplify right side
    109,271.20x = 15,807,302,917.44
  5. Step 5: Solve for x
    x = 15,807,302,917.44/109,271.20
  6. Step 6: Final answer
    x = 144,661.20

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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.