Home / 104,857.04-144,705.28-57,112.96

Finding the Fourth Proportional to 104,857.04, 144,705.28 and 57,112.96

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Solution

The fourth proportional to 104,857.04, 144,705.28 and 57,112.96 is: 78,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,857.04 : 144,705.28 = 57,112.96 : x
  2. Step 2: Convert to fraction form
    104,857.04/144,705.28 = 57,112.96/x
  3. Step 3: Cross multiply
    104,857.04x = 144,705.28 × 57,112.96
  4. Step 4: Simplify right side
    104,857.04x = 8,264,546,868.43
  5. Step 5: Solve for x
    x = 8,264,546,868.43/104,857.04
  6. Step 6: Final answer
    x = 78,817.28

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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.