Home / 228,847.77-315,828.54-126,905.19

Finding the Fourth Proportional to 228,847.77, 315,828.54 and 126,905.19

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Solution

The fourth proportional to 228,847.77, 315,828.54 and 126,905.19 is: 175,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,847.77 : 315,828.54 = 126,905.19 : x
  2. Step 2: Convert to fraction form
    228,847.77/315,828.54 = 126,905.19/x
  3. Step 3: Cross multiply
    228,847.77x = 315,828.54 × 126,905.19
  4. Step 4: Simplify right side
    228,847.77x = 40,080,280,876.12
  5. Step 5: Solve for x
    x = 40,080,280,876.12/228,847.77
  6. Step 6: Final answer
    x = 175,139.49

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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.