Home / 209,755.50-289,572.03-163,084.88

Finding the Fourth Proportional to 209,755.50, 289,572.03 and 163,084.88

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Solution

The fourth proportional to 209,755.50, 289,572.03 and 163,084.88 is: 225,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,755.50 : 289,572.03 = 163,084.88 : x
  2. Step 2: Convert to fraction form
    209,755.50/289,572.03 = 163,084.88/x
  3. Step 3: Cross multiply
    209,755.50x = 289,572.03 × 163,084.88
  4. Step 4: Simplify right side
    209,755.50x = 47,224,819,763.91
  5. Step 5: Solve for x
    x = 47,224,819,763.91/209,755.50
  6. Step 6: Final answer
    x = 225,142.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.