Home / 225,848.23-311,655.72-129,057.08

Finding the Fourth Proportional to 225,848.23, 311,655.72 and 129,057.08

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Solution

The fourth proportional to 225,848.23, 311,655.72 and 129,057.08 is: 178,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,848.23 : 311,655.72 = 129,057.08 : x
  2. Step 2: Convert to fraction form
    225,848.23/311,655.72 = 129,057.08/x
  3. Step 3: Cross multiply
    225,848.23x = 311,655.72 × 129,057.08
  4. Step 4: Simplify right side
    225,848.23x = 40,221,377,188.50
  5. Step 5: Solve for x
    x = 40,221,377,188.50/225,848.23
  6. Step 6: Final answer
    x = 178,090.30

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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.