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Finding the Fourth Proportional to 163,499, 245,114.94 and 84,635.96

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Solution

The fourth proportional to 163,499, 245,114.94 and 84,635.96 is: 126,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,499 : 245,114.94 = 84,635.96 : x
  2. Step 2: Convert to fraction form
    163,499/245,114.94 = 84,635.96/x
  3. Step 3: Cross multiply
    163,499x = 245,114.94 × 84,635.96
  4. Step 4: Simplify right side
    163,499x = 20,745,538,257.24
  5. Step 5: Solve for x
    x = 20,745,538,257.24/163,499
  6. Step 6: Final answer
    x = 126,884.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.