Home / 155,706.37-233,378.09-71,475.44

Finding the Fourth Proportional to 155,706.37, 233,378.09 and 71,475.44

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Solution

The fourth proportional to 155,706.37, 233,378.09 and 71,475.44 is: 107,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,706.37 : 233,378.09 = 71,475.44 : x
  2. Step 2: Convert to fraction form
    155,706.37/233,378.09 = 71,475.44/x
  3. Step 3: Cross multiply
    155,706.37x = 233,378.09 × 71,475.44
  4. Step 4: Simplify right side
    155,706.37x = 16,680,800,144.84
  5. Step 5: Solve for x
    x = 16,680,800,144.84/155,706.37
  6. Step 6: Final answer
    x = 107,129.85

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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.