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Finding the Fourth Proportional to 162,338.28, 224,022.69 and 90,718.89

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Solution

The fourth proportional to 162,338.28, 224,022.69 and 90,718.89 is: 125,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,338.28 : 224,022.69 = 90,718.89 : x
  2. Step 2: Convert to fraction form
    162,338.28/224,022.69 = 90,718.89/x
  3. Step 3: Cross multiply
    162,338.28x = 224,022.69 × 90,718.89
  4. Step 4: Simplify right side
    162,338.28x = 20,323,089,771.61
  5. Step 5: Solve for x
    x = 20,323,089,771.61/162,338.28
  6. Step 6: Final answer
    x = 125,189.76

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