Home / 142,879.20-214,168.77-48,076.47

Finding the Fourth Proportional to 142,879.20, 214,168.77 and 48,076.47

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Solution

The fourth proportional to 142,879.20, 214,168.77 and 48,076.47 is: 72,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,879.20 : 214,168.77 = 48,076.47 : x
  2. Step 2: Convert to fraction form
    142,879.20/214,168.77 = 48,076.47/x
  3. Step 3: Cross multiply
    142,879.20x = 214,168.77 × 48,076.47
  4. Step 4: Simplify right side
    142,879.20x = 10,296,478,445.84
  5. Step 5: Solve for x
    x = 10,296,478,445.84/142,879.20
  6. Step 6: Final answer
    x = 72,064.22

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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.