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Finding the Fourth Proportional to 168,803.52, 253,205.28 and 44,143.44

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Solution

The fourth proportional to 168,803.52, 253,205.28 and 44,143.44 is: 66,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,803.52 : 253,205.28 = 44,143.44 : x
  2. Step 2: Convert to fraction form
    168,803.52/253,205.28 = 44,143.44/x
  3. Step 3: Cross multiply
    168,803.52x = 253,205.28 × 44,143.44
  4. Step 4: Simplify right side
    168,803.52x = 11,177,352,085.36
  5. Step 5: Solve for x
    x = 11,177,352,085.36/168,803.52
  6. Step 6: Final answer
    x = 66,215.16

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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.