Home / 199,724.40-299,586.60-125,074.80

Finding the Fourth Proportional to 199,724.40, 299,586.60 and 125,074.80

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Solution

The fourth proportional to 199,724.40, 299,586.60 and 125,074.80 is: 187,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,724.40 : 299,586.60 = 125,074.80 : x
  2. Step 2: Convert to fraction form
    199,724.40/299,586.60 = 125,074.80/x
  3. Step 3: Cross multiply
    199,724.40x = 299,586.60 × 125,074.80
  4. Step 4: Simplify right side
    199,724.40x = 37,470,734,077.68
  5. Step 5: Solve for x
    x = 37,470,734,077.68/199,724.40
  6. Step 6: Final answer
    x = 187,612.20

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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.