Home / 225,427.52-311,089.96-124,825.52

Finding the Fourth Proportional to 225,427.52, 311,089.96 and 124,825.52

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Solution

The fourth proportional to 225,427.52, 311,089.96 and 124,825.52 is: 172,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,427.52 : 311,089.96 = 124,825.52 : x
  2. Step 2: Convert to fraction form
    225,427.52/311,089.96 = 124,825.52/x
  3. Step 3: Cross multiply
    225,427.52x = 311,089.96 × 124,825.52
  4. Step 4: Simplify right side
    225,427.52x = 38,831,966,023.78
  5. Step 5: Solve for x
    x = 38,831,966,023.78/225,427.52
  6. Step 6: Final answer
    x = 172,259.21

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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.