Home / 146,157.21-201,836.24-138,196.84

Finding the Fourth Proportional to 146,157.21, 201,836.24 and 138,196.84

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Solution

The fourth proportional to 146,157.21, 201,836.24 and 138,196.84 is: 190,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,157.21 : 201,836.24 = 138,196.84 : x
  2. Step 2: Convert to fraction form
    146,157.21/201,836.24 = 138,196.84/x
  3. Step 3: Cross multiply
    146,157.21x = 201,836.24 × 138,196.84
  4. Step 4: Simplify right side
    146,157.21x = 27,893,130,755.62
  5. Step 5: Solve for x
    x = 27,893,130,755.62/146,157.21
  6. Step 6: Final answer
    x = 190,843.34

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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.