Home / 216,440.97-298,682.82-120,948.45

Finding the Fourth Proportional to 216,440.97, 298,682.82 and 120,948.45

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Solution

The fourth proportional to 216,440.97, 298,682.82 and 120,948.45 is: 166,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,440.97 : 298,682.82 = 120,948.45 : x
  2. Step 2: Convert to fraction form
    216,440.97/298,682.82 = 120,948.45/x
  3. Step 3: Cross multiply
    216,440.97x = 298,682.82 × 120,948.45
  4. Step 4: Simplify right side
    216,440.97x = 36,125,224,120.63
  5. Step 5: Solve for x
    x = 36,125,224,120.63/216,440.97
  6. Step 6: Final answer
    x = 166,905.67

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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.