Home / 146,726.20-202,119.42-125,145.64

Finding the Fourth Proportional to 146,726.20, 202,119.42 and 125,145.64

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Solution

The fourth proportional to 146,726.20, 202,119.42 and 125,145.64 is: 172,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726.20 : 202,119.42 = 125,145.64 : x
  2. Step 2: Convert to fraction form
    146,726.20/202,119.42 = 125,145.64/x
  3. Step 3: Cross multiply
    146,726.20x = 202,119.42 × 125,145.64
  4. Step 4: Simplify right side
    146,726.20x = 25,294,364,172.33
  5. Step 5: Solve for x
    x = 25,294,364,172.33/146,726.20
  6. Step 6: Final answer
    x = 172,391.60

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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.