Home / 228,789.27-315,739.75-126,816.92

Finding the Fourth Proportional to 228,789.27, 315,739.75 and 126,816.92

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Solution

The fourth proportional to 228,789.27, 315,739.75 and 126,816.92 is: 175,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,789.27 : 315,739.75 = 126,816.92 : x
  2. Step 2: Convert to fraction form
    228,789.27/315,739.75 = 126,816.92/x
  3. Step 3: Cross multiply
    228,789.27x = 315,739.75 × 126,816.92
  4. Step 4: Simplify right side
    228,789.27x = 40,041,142,616.57
  5. Step 5: Solve for x
    x = 40,041,142,616.57/228,789.27
  6. Step 6: Final answer
    x = 175,013.20

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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.