Home / 219,638.94-303,099.03-119,034.78

Finding the Fourth Proportional to 219,638.94, 303,099.03 and 119,034.78

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Solution

The fourth proportional to 219,638.94, 303,099.03 and 119,034.78 is: 164,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,638.94 : 303,099.03 = 119,034.78 : x
  2. Step 2: Convert to fraction form
    219,638.94/303,099.03 = 119,034.78/x
  3. Step 3: Cross multiply
    219,638.94x = 303,099.03 × 119,034.78
  4. Step 4: Simplify right side
    219,638.94x = 36,079,326,354.26
  5. Step 5: Solve for x
    x = 36,079,326,354.26/219,638.94
  6. Step 6: Final answer
    x = 164,266.53

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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.