Home / 163,539.55-245,404.49-68,762.86

Finding the Fourth Proportional to 163,539.55, 245,404.49 and 68,762.86

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Solution

The fourth proportional to 163,539.55, 245,404.49 and 68,762.86 is: 103,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,539.55 : 245,404.49 = 68,762.86 : x
  2. Step 2: Convert to fraction form
    163,539.55/245,404.49 = 68,762.86/x
  3. Step 3: Cross multiply
    163,539.55x = 245,404.49 × 68,762.86
  4. Step 4: Simplify right side
    163,539.55x = 16,874,714,589.24
  5. Step 5: Solve for x
    x = 16,874,714,589.24/163,539.55
  6. Step 6: Final answer
    x = 103,184.30

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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.