Home / 225,586.60-311,288.76-130,074.84

Finding the Fourth Proportional to 225,586.60, 311,288.76 and 130,074.84

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Solution

The fourth proportional to 225,586.60, 311,288.76 and 130,074.84 is: 179,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,586.60 : 311,288.76 = 130,074.84 : x
  2. Step 2: Convert to fraction form
    225,586.60/311,288.76 = 130,074.84/x
  3. Step 3: Cross multiply
    225,586.60x = 311,288.76 × 130,074.84
  4. Step 4: Simplify right side
    225,586.60x = 40,490,835,650.80
  5. Step 5: Solve for x
    x = 40,490,835,650.80/225,586.60
  6. Step 6: Final answer
    x = 179,491.32

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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.