Home / 374,456.25-561,684.38-125,138.25

Finding the Fourth Proportional to 374,456.25, 561,684.38 and 125,138.25

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Solution

The fourth proportional to 374,456.25, 561,684.38 and 125,138.25 is: 187,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,456.25 : 561,684.38 = 125,138.25 : x
  2. Step 2: Convert to fraction form
    374,456.25/561,684.38 = 125,138.25/x
  3. Step 3: Cross multiply
    374,456.25x = 561,684.38 × 125,138.25
  4. Step 4: Simplify right side
    374,456.25x = 70,288,199,739.84
  5. Step 5: Solve for x
    x = 70,288,199,739.84/374,456.25
  6. Step 6: Final answer
    x = 187,707.38

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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.