Home / 104,676.96-144,454.89-56,930.66

Finding the Fourth Proportional to 104,676.96, 144,454.89 and 56,930.66

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Solution

The fourth proportional to 104,676.96, 144,454.89 and 56,930.66 is: 78,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,676.96 : 144,454.89 = 56,930.66 : x
  2. Step 2: Convert to fraction form
    104,676.96/144,454.89 = 56,930.66/x
  3. Step 3: Cross multiply
    104,676.96x = 144,454.89 × 56,930.66
  4. Step 4: Simplify right side
    104,676.96x = 8,223,912,260.85
  5. Step 5: Solve for x
    x = 8,223,912,260.85/104,676.96
  6. Step 6: Final answer
    x = 78,564.68

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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.