Home / 104,905.32-144,768.54-57,158.52

Finding the Fourth Proportional to 104,905.32, 144,768.54 and 57,158.52

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Solution

The fourth proportional to 104,905.32, 144,768.54 and 57,158.52 is: 78,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,905.32 : 144,768.54 = 57,158.52 : x
  2. Step 2: Convert to fraction form
    104,905.32/144,768.54 = 57,158.52/x
  3. Step 3: Cross multiply
    104,905.32x = 144,768.54 × 57,158.52
  4. Step 4: Simplify right side
    104,905.32x = 8,274,755,488.96
  5. Step 5: Solve for x
    x = 8,274,755,488.96/104,905.32
  6. Step 6: Final answer
    x = 78,878.32

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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.