Home / 225,972.72-311,845.68-124,008.30

Finding the Fourth Proportional to 225,972.72, 311,845.68 and 124,008.30

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Solution

The fourth proportional to 225,972.72, 311,845.68 and 124,008.30 is: 171,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,972.72 : 311,845.68 = 124,008.30 : x
  2. Step 2: Convert to fraction form
    225,972.72/311,845.68 = 124,008.30/x
  3. Step 3: Cross multiply
    225,972.72x = 311,845.68 × 124,008.30
  4. Step 4: Simplify right side
    225,972.72x = 38,671,452,639.14
  5. Step 5: Solve for x
    x = 38,671,452,639.14/225,972.72
  6. Step 6: Final answer
    x = 171,133.28

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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.