Home / 206,319.86-309,567.30-112,716.26

Finding the Fourth Proportional to 206,319.86, 309,567.30 and 112,716.26

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Solution

The fourth proportional to 206,319.86, 309,567.30 and 112,716.26 is: 169,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,319.86 : 309,567.30 = 112,716.26 : x
  2. Step 2: Convert to fraction form
    206,319.86/309,567.30 = 112,716.26/x
  3. Step 3: Cross multiply
    206,319.86x = 309,567.30 × 112,716.26
  4. Step 4: Simplify right side
    206,319.86x = 34,893,268,274.30
  5. Step 5: Solve for x
    x = 34,893,268,274.30/206,319.86
  6. Step 6: Final answer
    x = 169,122.20

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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.