Home / 202,905.56-280,017.90-112,260.04

Finding the Fourth Proportional to 202,905.56, 280,017.90 and 112,260.04

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Solution

The fourth proportional to 202,905.56, 280,017.90 and 112,260.04 is: 154,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,905.56 : 280,017.90 = 112,260.04 : x
  2. Step 2: Convert to fraction form
    202,905.56/280,017.90 = 112,260.04/x
  3. Step 3: Cross multiply
    202,905.56x = 280,017.90 × 112,260.04
  4. Step 4: Simplify right side
    202,905.56x = 31,434,821,845.50
  5. Step 5: Solve for x
    x = 31,434,821,845.50/202,905.56
  6. Step 6: Final answer
    x = 154,923.42

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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.