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Finding the Fourth Proportional to 162,253.93, 223,764.98 and 135,119.85

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Solution

The fourth proportional to 162,253.93, 223,764.98 and 135,119.85 is: 186,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,253.93 : 223,764.98 = 135,119.85 : x
  2. Step 2: Convert to fraction form
    162,253.93/223,764.98 = 135,119.85/x
  3. Step 3: Cross multiply
    162,253.93x = 223,764.98 × 135,119.85
  4. Step 4: Simplify right side
    162,253.93x = 30,235,089,857.25
  5. Step 5: Solve for x
    x = 30,235,089,857.25/162,253.93
  6. Step 6: Final answer
    x = 186,344.27

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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.