Home / 212,110.80-318,098.52-69,929.55

Finding the Fourth Proportional to 212,110.80, 318,098.52 and 69,929.55

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Solution

The fourth proportional to 212,110.80, 318,098.52 and 69,929.55 is: 104,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,110.80 : 318,098.52 = 69,929.55 : x
  2. Step 2: Convert to fraction form
    212,110.80/318,098.52 = 69,929.55/x
  3. Step 3: Cross multiply
    212,110.80x = 318,098.52 × 69,929.55
  4. Step 4: Simplify right side
    212,110.80x = 22,244,486,359.27
  5. Step 5: Solve for x
    x = 22,244,486,359.27/212,110.80
  6. Step 6: Final answer
    x = 104,872.01

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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.