Home / 184,135.45-275,951.18-139,119.80

Finding the Fourth Proportional to 184,135.45, 275,951.18 and 139,119.80

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Solution

The fourth proportional to 184,135.45, 275,951.18 and 139,119.80 is: 208,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,135.45 : 275,951.18 = 139,119.80 : x
  2. Step 2: Convert to fraction form
    184,135.45/275,951.18 = 139,119.80/x
  3. Step 3: Cross multiply
    184,135.45x = 275,951.18 × 139,119.80
  4. Step 4: Simplify right side
    184,135.45x = 38,390,272,971.36
  5. Step 5: Solve for x
    x = 38,390,272,971.36/184,135.45
  6. Step 6: Final answer
    x = 208,489.31

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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.