Home / 202,975.32-280,012.46-131,378.34

Finding the Fourth Proportional to 202,975.32, 280,012.46 and 131,378.34

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Solution

The fourth proportional to 202,975.32, 280,012.46 and 131,378.34 is: 181,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,975.32 : 280,012.46 = 131,378.34 : x
  2. Step 2: Convert to fraction form
    202,975.32/280,012.46 = 131,378.34/x
  3. Step 3: Cross multiply
    202,975.32x = 280,012.46 × 131,378.34
  4. Step 4: Simplify right side
    202,975.32x = 36,787,572,174.12
  5. Step 5: Solve for x
    x = 36,787,572,174.12/202,975.32
  6. Step 6: Final answer
    x = 181,241.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.