Home / 225,587.25-311,280.75-134,910.09

Finding the Fourth Proportional to 225,587.25, 311,280.75 and 134,910.09

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Solution

The fourth proportional to 225,587.25, 311,280.75 and 134,910.09 is: 186,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,587.25 : 311,280.75 = 134,910.09 : x
  2. Step 2: Convert to fraction form
    225,587.25/311,280.75 = 134,910.09/x
  3. Step 3: Cross multiply
    225,587.25x = 311,280.75 × 134,910.09
  4. Step 4: Simplify right side
    225,587.25x = 41,994,913,997.77
  5. Step 5: Solve for x
    x = 41,994,913,997.77/225,587.25
  6. Step 6: Final answer
    x = 186,158.19

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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.