Home / 225,539.33-311,241.64-122,171.58

Finding the Fourth Proportional to 225,539.33, 311,241.64 and 122,171.58

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Solution

The fourth proportional to 225,539.33, 311,241.64 and 122,171.58 is: 168,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,539.33 : 311,241.64 = 122,171.58 : x
  2. Step 2: Convert to fraction form
    225,539.33/311,241.64 = 122,171.58/x
  3. Step 3: Cross multiply
    225,539.33x = 311,241.64 × 122,171.58
  4. Step 4: Simplify right side
    225,539.33x = 38,024,882,920.59
  5. Step 5: Solve for x
    x = 38,024,882,920.59/225,539.33
  6. Step 6: Final answer
    x = 168,595.35

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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.