Home / 163,621.84-245,435.83-51,299.57

Finding the Fourth Proportional to 163,621.84, 245,435.83 and 51,299.57

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Solution

The fourth proportional to 163,621.84, 245,435.83 and 51,299.57 is: 76,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,621.84 : 245,435.83 = 51,299.57 : x
  2. Step 2: Convert to fraction form
    163,621.84/245,435.83 = 51,299.57/x
  3. Step 3: Cross multiply
    163,621.84x = 245,435.83 × 51,299.57
  4. Step 4: Simplify right side
    163,621.84x = 12,590,751,314.41
  5. Step 5: Solve for x
    x = 12,590,751,314.41/163,621.84
  6. Step 6: Final answer
    x = 76,950.31

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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.