Home / 228,101.80-314,767.74-126,121.36

Finding the Fourth Proportional to 228,101.80, 314,767.74 and 126,121.36

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Solution

The fourth proportional to 228,101.80, 314,767.74 and 126,121.36 is: 174,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,101.80 : 314,767.74 = 126,121.36 : x
  2. Step 2: Convert to fraction form
    228,101.80/314,767.74 = 126,121.36/x
  3. Step 3: Cross multiply
    228,101.80x = 314,767.74 × 126,121.36
  4. Step 4: Simplify right side
    228,101.80x = 39,698,935,452.93
  5. Step 5: Solve for x
    x = 39,698,935,452.93/228,101.80
  6. Step 6: Final answer
    x = 174,040.43

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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.