Home / 162,256.42-223,768.42-135,122.37

Finding the Fourth Proportional to 162,256.42, 223,768.42 and 135,122.37

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Solution

The fourth proportional to 162,256.42, 223,768.42 and 135,122.37 is: 186,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,256.42 : 223,768.42 = 135,122.37 : x
  2. Step 2: Convert to fraction form
    162,256.42/223,768.42 = 135,122.37/x
  3. Step 3: Cross multiply
    162,256.42x = 223,768.42 × 135,122.37
  4. Step 4: Simplify right side
    162,256.42x = 30,236,119,241.56
  5. Step 5: Solve for x
    x = 30,236,119,241.56/162,256.42
  6. Step 6: Final answer
    x = 186,347.75

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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.