Home / 165,407.37-248,112.57-47,078.67

Finding the Fourth Proportional to 165,407.37, 248,112.57 and 47,078.67

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Solution

The fourth proportional to 165,407.37, 248,112.57 and 47,078.67 is: 70,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,407.37 : 248,112.57 = 47,078.67 : x
  2. Step 2: Convert to fraction form
    165,407.37/248,112.57 = 47,078.67/x
  3. Step 3: Cross multiply
    165,407.37x = 248,112.57 × 47,078.67
  4. Step 4: Simplify right side
    165,407.37x = 11,680,809,252.40
  5. Step 5: Solve for x
    x = 11,680,809,252.40/165,407.37
  6. Step 6: Final answer
    x = 70,618.43

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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.