Home / 219,012.82-302,237.75-120,896.12

Finding the Fourth Proportional to 219,012.82, 302,237.75 and 120,896.12

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Solution

The fourth proportional to 219,012.82, 302,237.75 and 120,896.12 is: 166,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,012.82 : 302,237.75 = 120,896.12 : x
  2. Step 2: Convert to fraction form
    219,012.82/302,237.75 = 120,896.12/x
  3. Step 3: Cross multiply
    219,012.82x = 302,237.75 × 120,896.12
  4. Step 4: Simplify right side
    219,012.82x = 36,539,369,176.86
  5. Step 5: Solve for x
    x = 36,539,369,176.86/219,012.82
  6. Step 6: Final answer
    x = 166,836.67

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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.