Home / 109,292.25-163,684.30-105,503.96

Finding the Fourth Proportional to 109,292.25, 163,684.30 and 105,503.96

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Solution

The fourth proportional to 109,292.25, 163,684.30 and 105,503.96 is: 158,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,292.25 : 163,684.30 = 105,503.96 : x
  2. Step 2: Convert to fraction form
    109,292.25/163,684.30 = 105,503.96/x
  3. Step 3: Cross multiply
    109,292.25x = 163,684.30 × 105,503.96
  4. Step 4: Simplify right side
    109,292.25x = 17,269,341,694.38
  5. Step 5: Solve for x
    x = 17,269,341,694.38/109,292.25
  6. Step 6: Final answer
    x = 158,010.67

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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.