Home / 228,977.58-315,976.17-126,995.72

Finding the Fourth Proportional to 228,977.58, 315,976.17 and 126,995.72

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Solution

The fourth proportional to 228,977.58, 315,976.17 and 126,995.72 is: 175,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,977.58 : 315,976.17 = 126,995.72 : x
  2. Step 2: Convert to fraction form
    228,977.58/315,976.17 = 126,995.72/x
  3. Step 3: Cross multiply
    228,977.58x = 315,976.17 × 126,995.72
  4. Step 4: Simplify right side
    228,977.58x = 40,127,621,702.87
  5. Step 5: Solve for x
    x = 40,127,621,702.87/228,977.58
  6. Step 6: Final answer
    x = 175,246.94

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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.