Home / 138,784.86-208,183.05-44,012.94

Finding the Fourth Proportional to 138,784.86, 208,183.05 and 44,012.94

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Solution

The fourth proportional to 138,784.86, 208,183.05 and 44,012.94 is: 66,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,784.86 : 208,183.05 = 44,012.94 : x
  2. Step 2: Convert to fraction form
    138,784.86/208,183.05 = 44,012.94/x
  3. Step 3: Cross multiply
    138,784.86x = 208,183.05 × 44,012.94
  4. Step 4: Simplify right side
    138,784.86x = 9,162,748,088.67
  5. Step 5: Solve for x
    x = 9,162,748,088.67/138,784.86
  6. Step 6: Final answer
    x = 66,021.24

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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.