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Finding the Fourth Proportional to 146,415.88, 201,903.06 and 125,265.16

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Solution

The fourth proportional to 146,415.88, 201,903.06 and 125,265.16 is: 172,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,415.88 : 201,903.06 = 125,265.16 : x
  2. Step 2: Convert to fraction form
    146,415.88/201,903.06 = 125,265.16/x
  3. Step 3: Cross multiply
    146,415.88x = 201,903.06 × 125,265.16
  4. Step 4: Simplify right side
    146,415.88x = 25,291,419,115.39
  5. Step 5: Solve for x
    x = 25,291,419,115.39/146,415.88
  6. Step 6: Final answer
    x = 172,736.86

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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.