Home / 248,099.51-371,980.85-126,220.50

Finding the Fourth Proportional to 248,099.51, 371,980.85 and 126,220.50

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Solution

The fourth proportional to 248,099.51, 371,980.85 and 126,220.50 is: 189,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,099.51 : 371,980.85 = 126,220.50 : x
  2. Step 2: Convert to fraction form
    248,099.51/371,980.85 = 126,220.50/x
  3. Step 3: Cross multiply
    248,099.51x = 371,980.85 × 126,220.50
  4. Step 4: Simplify right side
    248,099.51x = 46,951,608,246.32
  5. Step 5: Solve for x
    x = 46,951,608,246.32/248,099.51
  6. Step 6: Final answer
    x = 189,245.07

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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.