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Finding the Fourth Proportional to 104,804.74, 144,583.82 and 70,802.29

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Solution

The fourth proportional to 104,804.74, 144,583.82 and 70,802.29 is: 97,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,804.74 : 144,583.82 = 70,802.29 : x
  2. Step 2: Convert to fraction form
    104,804.74/144,583.82 = 70,802.29/x
  3. Step 3: Cross multiply
    104,804.74x = 144,583.82 × 70,802.29
  4. Step 4: Simplify right side
    104,804.74x = 10,236,865,198.94
  5. Step 5: Solve for x
    x = 10,236,865,198.94/104,804.74
  6. Step 6: Final answer
    x = 97,675.59

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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.