Home / 163,538.96-245,403.62-68,762.28

Finding the Fourth Proportional to 163,538.96, 245,403.62 and 68,762.28

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Solution

The fourth proportional to 163,538.96, 245,403.62 and 68,762.28 is: 103,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,538.96 : 245,403.62 = 68,762.28 : x
  2. Step 2: Convert to fraction form
    163,538.96/245,403.62 = 68,762.28/x
  3. Step 3: Cross multiply
    163,538.96x = 245,403.62 × 68,762.28
  4. Step 4: Simplify right side
    163,538.96x = 16,874,512,603.36
  5. Step 5: Solve for x
    x = 16,874,512,603.36/163,538.96
  6. Step 6: Final answer
    x = 103,183.44

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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.