Home / 104,420.38-144,100.26-56,673.73

Finding the Fourth Proportional to 104,420.38, 144,100.26 and 56,673.73

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Solution

The fourth proportional to 104,420.38, 144,100.26 and 56,673.73 is: 78,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.38 : 144,100.26 = 56,673.73 : x
  2. Step 2: Convert to fraction form
    104,420.38/144,100.26 = 56,673.73/x
  3. Step 3: Cross multiply
    104,420.38x = 144,100.26 × 56,673.73
  4. Step 4: Simplify right side
    104,420.38x = 8,166,699,408.30
  5. Step 5: Solve for x
    x = 8,166,699,408.30/104,420.38
  6. Step 6: Final answer
    x = 78,209.82

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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.