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Finding the Fourth Proportional to 180,152.25, 248,610.11 and 100,664.25

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Solution

The fourth proportional to 180,152.25, 248,610.11 and 100,664.25 is: 138,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,152.25 : 248,610.11 = 100,664.25 : x
  2. Step 2: Convert to fraction form
    180,152.25/248,610.11 = 100,664.25/x
  3. Step 3: Cross multiply
    180,152.25x = 248,610.11 × 100,664.25
  4. Step 4: Simplify right side
    180,152.25x = 25,026,149,762.25
  5. Step 5: Solve for x
    x = 25,026,149,762.25/180,152.25
  6. Step 6: Final answer
    x = 138,916.67

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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.