Home / 212,933.80-318,736.23-156,837.25

Finding the Fourth Proportional to 212,933.80, 318,736.23 and 156,837.25

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Solution

The fourth proportional to 212,933.80, 318,736.23 and 156,837.25 is: 234,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,933.80 : 318,736.23 = 156,837.25 : x
  2. Step 2: Convert to fraction form
    212,933.80/318,736.23 = 156,837.25/x
  3. Step 3: Cross multiply
    212,933.80x = 318,736.23 × 156,837.25
  4. Step 4: Simplify right side
    212,933.80x = 49,989,713,788.57
  5. Step 5: Solve for x
    x = 49,989,713,788.57/212,933.80
  6. Step 6: Final answer
    x = 234,766.46

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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.