Home / 318,527.56-477,835.26-108,109

Finding the Fourth Proportional to 318,527.56, 477,835.26 and 108,109

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Solution

The fourth proportional to 318,527.56, 477,835.26 and 108,109 is: 162,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,527.56 : 477,835.26 = 108,109 : x
  2. Step 2: Convert to fraction form
    318,527.56/477,835.26 = 108,109/x
  3. Step 3: Cross multiply
    318,527.56x = 477,835.26 × 108,109
  4. Step 4: Simplify right side
    318,527.56x = 51,658,292,123.34
  5. Step 5: Solve for x
    x = 51,658,292,123.34/318,527.56
  6. Step 6: Final answer
    x = 162,178.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.