Home / 212,299.73-292,940.27-121,638.25

Finding the Fourth Proportional to 212,299.73, 292,940.27 and 121,638.25

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Solution

The fourth proportional to 212,299.73, 292,940.27 and 121,638.25 is: 167,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,299.73 : 292,940.27 = 121,638.25 : x
  2. Step 2: Convert to fraction form
    212,299.73/292,940.27 = 121,638.25/x
  3. Step 3: Cross multiply
    212,299.73x = 292,940.27 × 121,638.25
  4. Step 4: Simplify right side
    212,299.73x = 35,632,740,456.79
  5. Step 5: Solve for x
    x = 35,632,740,456.79/212,299.73
  6. Step 6: Final answer
    x = 167,841.67

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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.