Home / 199,830.72-275,758.08-109,184.64

Finding the Fourth Proportional to 199,830.72, 275,758.08 and 109,184.64

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Solution

The fourth proportional to 199,830.72, 275,758.08 and 109,184.64 is: 150,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,830.72 : 275,758.08 = 109,184.64 : x
  2. Step 2: Convert to fraction form
    199,830.72/275,758.08 = 109,184.64/x
  3. Step 3: Cross multiply
    199,830.72x = 275,758.08 × 109,184.64
  4. Step 4: Simplify right side
    199,830.72x = 30,108,546,691.89
  5. Step 5: Solve for x
    x = 30,108,546,691.89/199,830.72
  6. Step 6: Final answer
    x = 150,670.26

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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.