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Finding the Fourth Proportional to 104,802.26, 144,622.58 and 57,055.77

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Solution

The fourth proportional to 104,802.26, 144,622.58 and 57,055.77 is: 78,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,802.26 : 144,622.58 = 57,055.77 : x
  2. Step 2: Convert to fraction form
    104,802.26/144,622.58 = 57,055.77/x
  3. Step 3: Cross multiply
    104,802.26x = 144,622.58 × 57,055.77
  4. Step 4: Simplify right side
    104,802.26x = 8,251,552,376.01
  5. Step 5: Solve for x
    x = 8,251,552,376.01/104,802.26
  6. Step 6: Final answer
    x = 78,734.49

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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.