Home / 228,932.64-315,937.26-126,951.24

Finding the Fourth Proportional to 228,932.64, 315,937.26 and 126,951.24

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Solution

The fourth proportional to 228,932.64, 315,937.26 and 126,951.24 is: 175,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,932.64 : 315,937.26 = 126,951.24 : x
  2. Step 2: Convert to fraction form
    228,932.64/315,937.26 = 126,951.24/x
  3. Step 3: Cross multiply
    228,932.64x = 315,937.26 × 126,951.24
  4. Step 4: Simplify right side
    228,932.64x = 40,108,626,919.20
  5. Step 5: Solve for x
    x = 40,108,626,919.20/228,932.64
  6. Step 6: Final answer
    x = 175,198.38

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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.