Home / 176,009.20-263,430.60-162,012.40

Finding the Fourth Proportional to 176,009.20, 263,430.60 and 162,012.40

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Solution

The fourth proportional to 176,009.20, 263,430.60 and 162,012.40 is: 242,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,009.20 : 263,430.60 = 162,012.40 : x
  2. Step 2: Convert to fraction form
    176,009.20/263,430.60 = 162,012.40/x
  3. Step 3: Cross multiply
    176,009.20x = 263,430.60 × 162,012.40
  4. Step 4: Simplify right side
    176,009.20x = 42,679,023,739.44
  5. Step 5: Solve for x
    x = 42,679,023,739.44/176,009.20
  6. Step 6: Final answer
    x = 242,481.78

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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.