Home / 212,261.46-318,324.60-70,080.27

Finding the Fourth Proportional to 212,261.46, 318,324.60 and 70,080.27

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Solution

The fourth proportional to 212,261.46, 318,324.60 and 70,080.27 is: 105,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,261.46 : 318,324.60 = 70,080.27 : x
  2. Step 2: Convert to fraction form
    212,261.46/318,324.60 = 70,080.27/x
  3. Step 3: Cross multiply
    212,261.46x = 318,324.60 × 70,080.27
  4. Step 4: Simplify right side
    212,261.46x = 22,308,273,915.64
  5. Step 5: Solve for x
    x = 22,308,273,915.64/212,261.46
  6. Step 6: Final answer
    x = 105,098.09

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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.