Home / 228,868.30-315,836.74-126,893.80

Finding the Fourth Proportional to 228,868.30, 315,836.74 and 126,893.80

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Solution

The fourth proportional to 228,868.30, 315,836.74 and 126,893.80 is: 175,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,868.30 : 315,836.74 = 126,893.80 : x
  2. Step 2: Convert to fraction form
    228,868.30/315,836.74 = 126,893.80/x
  3. Step 3: Cross multiply
    228,868.30x = 315,836.74 × 126,893.80
  4. Step 4: Simplify right side
    228,868.30x = 40,077,724,118.21
  5. Step 5: Solve for x
    x = 40,077,724,118.21/228,868.30
  6. Step 6: Final answer
    x = 175,112.60

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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.