Home / 199,715.64-275,608.08-109,072.32

Finding the Fourth Proportional to 199,715.64, 275,608.08 and 109,072.32

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Solution

The fourth proportional to 199,715.64, 275,608.08 and 109,072.32 is: 150,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,715.64 : 275,608.08 = 109,072.32 : x
  2. Step 2: Convert to fraction form
    199,715.64/275,608.08 = 109,072.32/x
  3. Step 3: Cross multiply
    199,715.64x = 275,608.08 × 109,072.32
  4. Step 4: Simplify right side
    199,715.64x = 30,061,212,696.35
  5. Step 5: Solve for x
    x = 30,061,212,696.35/199,715.64
  6. Step 6: Final answer
    x = 150,520.07

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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.