Home / 126,351.06-174,374.70-72,653.54

Finding the Fourth Proportional to 126,351.06, 174,374.70 and 72,653.54

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Solution

The fourth proportional to 126,351.06, 174,374.70 and 72,653.54 is: 100,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,351.06 : 174,374.70 = 72,653.54 : x
  2. Step 2: Convert to fraction form
    126,351.06/174,374.70 = 72,653.54/x
  3. Step 3: Cross multiply
    126,351.06x = 174,374.70 × 72,653.54
  4. Step 4: Simplify right side
    126,351.06x = 12,668,939,241.44
  5. Step 5: Solve for x
    x = 12,668,939,241.44/126,351.06
  6. Step 6: Final answer
    x = 100,267.77

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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.