Home / 228,941.89-315,955.74-126,976.66

Finding the Fourth Proportional to 228,941.89, 315,955.74 and 126,976.66

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Solution

The fourth proportional to 228,941.89, 315,955.74 and 126,976.66 is: 175,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,941.89 : 315,955.74 = 126,976.66 : x
  2. Step 2: Convert to fraction form
    228,941.89/315,955.74 = 126,976.66/x
  3. Step 3: Cross multiply
    228,941.89x = 315,955.74 × 126,976.66
  4. Step 4: Simplify right side
    228,941.89x = 40,119,004,573.03
  5. Step 5: Solve for x
    x = 40,119,004,573.03/228,941.89
  6. Step 6: Final answer
    x = 175,236.63

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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.