Home / 104,830.32-144,617.46-61,780.44

Finding the Fourth Proportional to 104,830.32, 144,617.46 and 61,780.44

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Solution

The fourth proportional to 104,830.32, 144,617.46 and 61,780.44 is: 85,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,830.32 : 144,617.46 = 61,780.44 : x
  2. Step 2: Convert to fraction form
    104,830.32/144,617.46 = 61,780.44/x
  3. Step 3: Cross multiply
    104,830.32x = 144,617.46 × 61,780.44
  4. Step 4: Simplify right side
    104,830.32x = 8,934,530,310.48
  5. Step 5: Solve for x
    x = 8,934,530,310.48/104,830.32
  6. Step 6: Final answer
    x = 85,228.49

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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.