Home / 162,786.60-243,969.66-131,211.24

Finding the Fourth Proportional to 162,786.60, 243,969.66 and 131,211.24

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Solution

The fourth proportional to 162,786.60, 243,969.66 and 131,211.24 is: 196,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,786.60 : 243,969.66 = 131,211.24 : x
  2. Step 2: Convert to fraction form
    162,786.60/243,969.66 = 131,211.24/x
  3. Step 3: Cross multiply
    162,786.60x = 243,969.66 × 131,211.24
  4. Step 4: Simplify right side
    162,786.60x = 32,011,561,610.98
  5. Step 5: Solve for x
    x = 32,011,561,610.98/162,786.60
  6. Step 6: Final answer
    x = 196,647.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.