Home / 126,842.42-190,098.30-70,680.26

Finding the Fourth Proportional to 126,842.42, 190,098.30 and 70,680.26

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Solution

The fourth proportional to 126,842.42, 190,098.30 and 70,680.26 is: 105,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,842.42 : 190,098.30 = 70,680.26 : x
  2. Step 2: Convert to fraction form
    126,842.42/190,098.30 = 70,680.26/x
  3. Step 3: Cross multiply
    126,842.42x = 190,098.30 × 70,680.26
  4. Step 4: Simplify right side
    126,842.42x = 13,436,197,269.56
  5. Step 5: Solve for x
    x = 13,436,197,269.56/126,842.42
  6. Step 6: Final answer
    x = 105,928.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.