Home / 225,401.24-311,053.84-140,518.64

Finding the Fourth Proportional to 225,401.24, 311,053.84 and 140,518.64

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Solution

The fourth proportional to 225,401.24, 311,053.84 and 140,518.64 is: 193,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,401.24 : 311,053.84 = 140,518.64 : x
  2. Step 2: Convert to fraction form
    225,401.24/311,053.84 = 140,518.64/x
  3. Step 3: Cross multiply
    225,401.24x = 311,053.84 × 140,518.64
  4. Step 4: Simplify right side
    225,401.24x = 43,708,862,563.58
  5. Step 5: Solve for x
    x = 43,708,862,563.58/225,401.24
  6. Step 6: Final answer
    x = 193,915.80

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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.