Home / 225,748.42-311,536.33-123,783.19

Finding the Fourth Proportional to 225,748.42, 311,536.33 and 123,783.19

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Solution

The fourth proportional to 225,748.42, 311,536.33 and 123,783.19 is: 170,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,748.42 : 311,536.33 = 123,783.19 : x
  2. Step 2: Convert to fraction form
    225,748.42/311,536.33 = 123,783.19/x
  3. Step 3: Cross multiply
    225,748.42x = 311,536.33 × 123,783.19
  4. Step 4: Simplify right side
    225,748.42x = 38,562,959,639.99
  5. Step 5: Solve for x
    x = 38,562,959,639.99/225,748.42
  6. Step 6: Final answer
    x = 170,822.72

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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.