Home / 104,817.20-144,647.90-57,070.73

Finding the Fourth Proportional to 104,817.20, 144,647.90 and 57,070.73

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Solution

The fourth proportional to 104,817.20, 144,647.90 and 57,070.73 is: 78,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,817.20 : 144,647.90 = 57,070.73 : x
  2. Step 2: Convert to fraction form
    104,817.20/144,647.90 = 57,070.73/x
  3. Step 3: Cross multiply
    104,817.20x = 144,647.90 × 57,070.73
  4. Step 4: Simplify right side
    104,817.20x = 8,255,161,536.25
  5. Step 5: Solve for x
    x = 8,255,161,536.25/104,817.20
  6. Step 6: Final answer
    x = 78,757.70

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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.