Home / 228,746.20-315,665.94-125,379.40

Finding the Fourth Proportional to 228,746.20, 315,665.94 and 125,379.40

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Solution

The fourth proportional to 228,746.20, 315,665.94 and 125,379.40 is: 173,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,746.20 : 315,665.94 = 125,379.40 : x
  2. Step 2: Convert to fraction form
    228,746.20/315,665.94 = 125,379.40/x
  3. Step 3: Cross multiply
    228,746.20x = 315,665.94 × 125,379.40
  4. Step 4: Simplify right side
    228,746.20x = 39,578,006,157.64
  5. Step 5: Solve for x
    x = 39,578,006,157.64/228,746.20
  6. Step 6: Final answer
    x = 173,021.48

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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.