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Finding the Fourth Proportional to 162,100.80, 223,707.29 and 90,481.41

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Solution

The fourth proportional to 162,100.80, 223,707.29 and 90,481.41 is: 124,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,100.80 : 223,707.29 = 90,481.41 : x
  2. Step 2: Convert to fraction form
    162,100.80/223,707.29 = 90,481.41/x
  3. Step 3: Cross multiply
    162,100.80x = 223,707.29 × 90,481.41
  4. Step 4: Simplify right side
    162,100.80x = 20,241,350,574.07
  5. Step 5: Solve for x
    x = 20,241,350,574.07/162,100.80
  6. Step 6: Final answer
    x = 124,868.91

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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.