Home / 137,183.22-205,776.56-48,374.45

Finding the Fourth Proportional to 137,183.22, 205,776.56 and 48,374.45

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Solution

The fourth proportional to 137,183.22, 205,776.56 and 48,374.45 is: 72,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,183.22 : 205,776.56 = 48,374.45 : x
  2. Step 2: Convert to fraction form
    137,183.22/205,776.56 = 48,374.45/x
  3. Step 3: Cross multiply
    137,183.22x = 205,776.56 × 48,374.45
  4. Step 4: Simplify right side
    137,183.22x = 9,954,326,642.14
  5. Step 5: Solve for x
    x = 9,954,326,642.14/137,183.22
  6. Step 6: Final answer
    x = 72,562.28

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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.