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Finding the Fourth Proportional to 162,090.73, 223,676.11 and 90,475.37

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Solution

The fourth proportional to 162,090.73, 223,676.11 and 90,475.37 is: 124,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,090.73 : 223,676.11 = 90,475.37 : x
  2. Step 2: Convert to fraction form
    162,090.73/223,676.11 = 90,475.37/x
  3. Step 3: Cross multiply
    162,090.73x = 223,676.11 × 90,475.37
  4. Step 4: Simplify right side
    162,090.73x = 20,237,178,812.41
  5. Step 5: Solve for x
    x = 20,237,178,812.41/162,090.73
  6. Step 6: Final answer
    x = 124,850.93

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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.