Home / 126,205.04-174,138.72-75,907.28

Finding the Fourth Proportional to 126,205.04, 174,138.72 and 75,907.28

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Solution

The fourth proportional to 126,205.04, 174,138.72 and 75,907.28 is: 104,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,205.04 : 174,138.72 = 75,907.28 : x
  2. Step 2: Convert to fraction form
    126,205.04/174,138.72 = 75,907.28/x
  3. Step 3: Cross multiply
    126,205.04x = 174,138.72 × 75,907.28
  4. Step 4: Simplify right side
    126,205.04x = 13,218,396,577.88
  5. Step 5: Solve for x
    x = 13,218,396,577.88/126,205.04
  6. Step 6: Final answer
    x = 104,737.47

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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.