Home / 225,695.28-311,451.84-130,199.52

Finding the Fourth Proportional to 225,695.28, 311,451.84 and 130,199.52

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Solution

The fourth proportional to 225,695.28, 311,451.84 and 130,199.52 is: 179,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,695.28 : 311,451.84 = 130,199.52 : x
  2. Step 2: Convert to fraction form
    225,695.28/311,451.84 = 130,199.52/x
  3. Step 3: Cross multiply
    225,695.28x = 311,451.84 × 130,199.52
  4. Step 4: Simplify right side
    225,695.28x = 40,550,880,071.12
  5. Step 5: Solve for x
    x = 40,550,880,071.12/225,695.28
  6. Step 6: Final answer
    x = 179,670.93

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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.