Home / 109,137.88-163,636.62-45,998.92

Finding the Fourth Proportional to 109,137.88, 163,636.62 and 45,998.92

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Solution

The fourth proportional to 109,137.88, 163,636.62 and 45,998.92 is: 68,968.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,137.88 : 163,636.62 = 45,998.92 : x
  2. Step 2: Convert to fraction form
    109,137.88/163,636.62 = 45,998.92/x
  3. Step 3: Cross multiply
    109,137.88x = 163,636.62 × 45,998.92
  4. Step 4: Simplify right side
    109,137.88x = 7,527,107,792.45
  5. Step 5: Solve for x
    x = 7,527,107,792.45/109,137.88
  6. Step 6: Final answer
    x = 68,968.79

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1.5x scale

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.