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Finding the Fourth Proportional to 104,060.80, 156,075.52 and 33,939.84

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Solution

The fourth proportional to 104,060.80, 156,075.52 and 33,939.84 is: 50,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.80 : 156,075.52 = 33,939.84 : x
  2. Step 2: Convert to fraction form
    104,060.80/156,075.52 = 33,939.84/x
  3. Step 3: Cross multiply
    104,060.80x = 156,075.52 × 33,939.84
  4. Step 4: Simplify right side
    104,060.80x = 5,297,178,176.72
  5. Step 5: Solve for x
    x = 5,297,178,176.72/104,060.80
  6. Step 6: Final answer
    x = 50,904.65

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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.