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Finding the Fourth Proportional to 162,311.01, 223,985.01 and 90,691.62

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Solution

The fourth proportional to 162,311.01, 223,985.01 and 90,691.62 is: 125,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,311.01 : 223,985.01 = 90,691.62 : x
  2. Step 2: Convert to fraction form
    162,311.01/223,985.01 = 90,691.62/x
  3. Step 3: Cross multiply
    162,311.01x = 223,985.01 × 90,691.62
  4. Step 4: Simplify right side
    162,311.01x = 20,313,563,412.62
  5. Step 5: Solve for x
    x = 20,313,563,412.62/162,311.01
  6. Step 6: Final answer
    x = 125,152.10

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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.