Home / 104,795.30-144,620.71-74,223.20

Finding the Fourth Proportional to 104,795.30, 144,620.71 and 74,223.20

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Solution

The fourth proportional to 104,795.30, 144,620.71 and 74,223.20 is: 102,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,795.30 : 144,620.71 = 74,223.20 : x
  2. Step 2: Convert to fraction form
    104,795.30/144,620.71 = 74,223.20/x
  3. Step 3: Cross multiply
    104,795.30x = 144,620.71 × 74,223.20
  4. Step 4: Simplify right side
    104,795.30x = 10,734,212,058.47
  5. Step 5: Solve for x
    x = 10,734,212,058.47/104,795.30
  6. Step 6: Final answer
    x = 102,430.28

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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.