Home / 228,145.54-314,842.94-126,165.73

Finding the Fourth Proportional to 228,145.54, 314,842.94 and 126,165.73

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Solution

The fourth proportional to 228,145.54, 314,842.94 and 126,165.73 is: 174,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,145.54 : 314,842.94 = 126,165.73 : x
  2. Step 2: Convert to fraction form
    228,145.54/314,842.94 = 126,165.73/x
  3. Step 3: Cross multiply
    228,145.54x = 314,842.94 × 126,165.73
  4. Step 4: Simplify right side
    228,145.54x = 39,722,389,360.45
  5. Step 5: Solve for x
    x = 39,722,389,360.45/228,145.54
  6. Step 6: Final answer
    x = 174,109.87

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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.