Home / 163,539.16-245,403.91-68,762.47

Finding the Fourth Proportional to 163,539.16, 245,403.91 and 68,762.47

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Solution

The fourth proportional to 163,539.16, 245,403.91 and 68,762.47 is: 103,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,539.16 : 245,403.91 = 68,762.47 : x
  2. Step 2: Convert to fraction form
    163,539.16/245,403.91 = 68,762.47/x
  3. Step 3: Cross multiply
    163,539.16x = 245,403.91 × 68,762.47
  4. Step 4: Simplify right side
    163,539.16x = 16,874,579,268.96
  5. Step 5: Solve for x
    x = 16,874,579,268.96/163,539.16
  6. Step 6: Final answer
    x = 103,183.73

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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.