Home / 212,203.27-318,237.39-70,022.04

Finding the Fourth Proportional to 212,203.27, 318,237.39 and 70,022.04

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Solution

The fourth proportional to 212,203.27, 318,237.39 and 70,022.04 is: 105,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,203.27 : 318,237.39 = 70,022.04 : x
  2. Step 2: Convert to fraction form
    212,203.27/318,237.39 = 70,022.04/x
  3. Step 3: Cross multiply
    212,203.27x = 318,237.39 × 70,022.04
  4. Step 4: Simplify right side
    212,203.27x = 22,283,630,193.90
  5. Step 5: Solve for x
    x = 22,283,630,193.90/212,203.27
  6. Step 6: Final answer
    x = 105,010.78

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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.