Home / 153,709.44-212,119.20-84,797.34

Finding the Fourth Proportional to 153,709.44, 212,119.20 and 84,797.34

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Solution

The fourth proportional to 153,709.44, 212,119.20 and 84,797.34 is: 117,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,709.44 : 212,119.20 = 84,797.34 : x
  2. Step 2: Convert to fraction form
    153,709.44/212,119.20 = 84,797.34/x
  3. Step 3: Cross multiply
    153,709.44x = 212,119.20 × 84,797.34
  4. Step 4: Simplify right side
    153,709.44x = 17,987,143,922.93
  5. Step 5: Solve for x
    x = 17,987,143,922.93/153,709.44
  6. Step 6: Final answer
    x = 117,020.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.