Home / 212,204.27-318,238.89-70,023.04

Finding the Fourth Proportional to 212,204.27, 318,238.89 and 70,023.04

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Solution

The fourth proportional to 212,204.27, 318,238.89 and 70,023.04 is: 105,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,204.27 : 318,238.89 = 70,023.04 : x
  2. Step 2: Convert to fraction form
    212,204.27/318,238.89 = 70,023.04/x
  3. Step 3: Cross multiply
    212,204.27x = 318,238.89 × 70,023.04
  4. Step 4: Simplify right side
    212,204.27x = 22,284,054,524.03
  5. Step 5: Solve for x
    x = 22,284,054,524.03/212,204.27
  6. Step 6: Final answer
    x = 105,012.28

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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.