Home / 374,820.18-562,112.55-125,443.86

Finding the Fourth Proportional to 374,820.18, 562,112.55 and 125,443.86

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Solution

The fourth proportional to 374,820.18, 562,112.55 and 125,443.86 is: 188,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,820.18 : 562,112.55 = 125,443.86 : x
  2. Step 2: Convert to fraction form
    374,820.18/562,112.55 = 125,443.86/x
  3. Step 3: Cross multiply
    374,820.18x = 562,112.55 × 125,443.86
  4. Step 4: Simplify right side
    374,820.18x = 70,513,568,026.44
  5. Step 5: Solve for x
    x = 70,513,568,026.44/374,820.18
  6. Step 6: Final answer
    x = 188,126.39

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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.