Home / 145,451.86-218,108.44-50,670.38

Finding the Fourth Proportional to 145,451.86, 218,108.44 and 50,670.38

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Solution

The fourth proportional to 145,451.86, 218,108.44 and 50,670.38 is: 75,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451.86 : 218,108.44 = 50,670.38 : x
  2. Step 2: Convert to fraction form
    145,451.86/218,108.44 = 50,670.38/x
  3. Step 3: Cross multiply
    145,451.86x = 218,108.44 × 50,670.38
  4. Step 4: Simplify right side
    145,451.86x = 11,051,638,144.62
  5. Step 5: Solve for x
    x = 11,051,638,144.62/145,451.86
  6. Step 6: Final answer
    x = 75,981.42

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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.