Home / 126,420.82-174,467.73-69,830.98

Finding the Fourth Proportional to 126,420.82, 174,467.73 and 69,830.98

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Solution

The fourth proportional to 126,420.82, 174,467.73 and 69,830.98 is: 96,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,420.82 : 174,467.73 = 69,830.98 : x
  2. Step 2: Convert to fraction form
    126,420.82/174,467.73 = 69,830.98/x
  3. Step 3: Cross multiply
    126,420.82x = 174,467.73 × 69,830.98
  4. Step 4: Simplify right side
    126,420.82x = 12,183,252,564.28
  5. Step 5: Solve for x
    x = 12,183,252,564.28/126,420.82
  6. Step 6: Final answer
    x = 96,370.62

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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.