Home / 254,128.42-350,739.21-140,987.62

Finding the Fourth Proportional to 254,128.42, 350,739.21 and 140,987.62

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Solution

The fourth proportional to 254,128.42, 350,739.21 and 140,987.62 is: 194,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,128.42 : 350,739.21 = 140,987.62 : x
  2. Step 2: Convert to fraction form
    254,128.42/350,739.21 = 140,987.62/x
  3. Step 3: Cross multiply
    254,128.42x = 350,739.21 × 140,987.62
  4. Step 4: Simplify right side
    254,128.42x = 49,449,886,458.58
  5. Step 5: Solve for x
    x = 49,449,886,458.58/254,128.42
  6. Step 6: Final answer
    x = 194,586.21

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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.