Home / 147,313.76-203,293.04-80,245.76

Finding the Fourth Proportional to 147,313.76, 203,293.04 and 80,245.76

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Solution

The fourth proportional to 147,313.76, 203,293.04 and 80,245.76 is: 110,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,313.76 : 203,293.04 = 80,245.76 : x
  2. Step 2: Convert to fraction form
    147,313.76/203,293.04 = 80,245.76/x
  3. Step 3: Cross multiply
    147,313.76x = 203,293.04 × 80,245.76
  4. Step 4: Simplify right side
    147,313.76x = 16,313,404,497.51
  5. Step 5: Solve for x
    x = 16,313,404,497.51/147,313.76
  6. Step 6: Final answer
    x = 110,739.18

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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.