Home / 162,255.42-223,767.05-135,121.37

Finding the Fourth Proportional to 162,255.42, 223,767.05 and 135,121.37

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Solution

The fourth proportional to 162,255.42, 223,767.05 and 135,121.37 is: 186,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,255.42 : 223,767.05 = 135,121.37 : x
  2. Step 2: Convert to fraction form
    162,255.42/223,767.05 = 135,121.37/x
  3. Step 3: Cross multiply
    162,255.42x = 223,767.05 × 135,121.37
  4. Step 4: Simplify right side
    162,255.42x = 30,235,708,562.42
  5. Step 5: Solve for x
    x = 30,235,708,562.42/162,255.42
  6. Step 6: Final answer
    x = 186,346.37

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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.