Home / 228,938.89-315,951.60-126,973.66

Finding the Fourth Proportional to 228,938.89, 315,951.60 and 126,973.66

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Solution

The fourth proportional to 228,938.89, 315,951.60 and 126,973.66 is: 175,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,938.89 : 315,951.60 = 126,973.66 : x
  2. Step 2: Convert to fraction form
    228,938.89/315,951.60 = 126,973.66/x
  3. Step 3: Cross multiply
    228,938.89x = 315,951.60 × 126,973.66
  4. Step 4: Simplify right side
    228,938.89x = 40,117,531,034.86
  5. Step 5: Solve for x
    x = 40,117,531,034.86/228,938.89
  6. Step 6: Final answer
    x = 175,232.49

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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.