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Finding the Fourth Proportional to 163,010.63, 224,694.84 and 128,499.12

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Solution

The fourth proportional to 163,010.63, 224,694.84 and 128,499.12 is: 177,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,010.63 : 224,694.84 = 128,499.12 : x
  2. Step 2: Convert to fraction form
    163,010.63/224,694.84 = 128,499.12/x
  3. Step 3: Cross multiply
    163,010.63x = 224,694.84 × 128,499.12
  4. Step 4: Simplify right side
    163,010.63x = 28,873,089,208.54
  5. Step 5: Solve for x
    x = 28,873,089,208.54/163,010.63
  6. Step 6: Final answer
    x = 177,123.97

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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.