Home / 104,826.80-144,641.75-61,819.78

Finding the Fourth Proportional to 104,826.80, 144,641.75 and 61,819.78

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Solution

The fourth proportional to 104,826.80, 144,641.75 and 61,819.78 is: 85,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,826.80 : 144,641.75 = 61,819.78 : x
  2. Step 2: Convert to fraction form
    104,826.80/144,641.75 = 61,819.78/x
  3. Step 3: Cross multiply
    104,826.80x = 144,641.75 × 61,819.78
  4. Step 4: Simplify right side
    104,826.80x = 8,941,720,956.76
  5. Step 5: Solve for x
    x = 8,941,720,956.76/104,826.80
  6. Step 6: Final answer
    x = 85,299.96

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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.