Home / 245,985.50-368,971.77-68,485.34

Finding the Fourth Proportional to 245,985.50, 368,971.77 and 68,485.34

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Solution

The fourth proportional to 245,985.50, 368,971.77 and 68,485.34 is: 102,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,985.50 : 368,971.77 = 68,485.34 : x
  2. Step 2: Convert to fraction form
    245,985.50/368,971.77 = 68,485.34/x
  3. Step 3: Cross multiply
    245,985.50x = 368,971.77 × 68,485.34
  4. Step 4: Simplify right side
    245,985.50x = 25,269,157,118.85
  5. Step 5: Solve for x
    x = 25,269,157,118.85/245,985.50
  6. Step 6: Final answer
    x = 102,726.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.