Home / 228,088.28-314,749.16-126,107.80

Finding the Fourth Proportional to 228,088.28, 314,749.16 and 126,107.80

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Solution

The fourth proportional to 228,088.28, 314,749.16 and 126,107.80 is: 174,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,088.28 : 314,749.16 = 126,107.80 : x
  2. Step 2: Convert to fraction form
    228,088.28/314,749.16 = 126,107.80/x
  3. Step 3: Cross multiply
    228,088.28x = 314,749.16 × 126,107.80
  4. Step 4: Simplify right side
    228,088.28x = 39,692,324,119.45
  5. Step 5: Solve for x
    x = 39,692,324,119.45/228,088.28
  6. Step 6: Final answer
    x = 174,021.76

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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.