Home / 210,121.02-315,273.96-110,257.74

Finding the Fourth Proportional to 210,121.02, 315,273.96 and 110,257.74

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Solution

The fourth proportional to 210,121.02, 315,273.96 and 110,257.74 is: 165,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,121.02 : 315,273.96 = 110,257.74 : x
  2. Step 2: Convert to fraction form
    210,121.02/315,273.96 = 110,257.74/x
  3. Step 3: Cross multiply
    210,121.02x = 315,273.96 × 110,257.74
  4. Step 4: Simplify right side
    210,121.02x = 34,761,394,310.45
  5. Step 5: Solve for x
    x = 34,761,394,310.45/210,121.02
  6. Step 6: Final answer
    x = 165,435.11

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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.