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Finding the Fourth Proportional to 163,460.88, 245,161.80 and 45,102.96

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Solution

The fourth proportional to 163,460.88, 245,161.80 and 45,102.96 is: 67,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,460.88 : 245,161.80 = 45,102.96 : x
  2. Step 2: Convert to fraction form
    163,460.88/245,161.80 = 45,102.96/x
  3. Step 3: Cross multiply
    163,460.88x = 245,161.80 × 45,102.96
  4. Step 4: Simplify right side
    163,460.88x = 11,057,522,858.93
  5. Step 5: Solve for x
    x = 11,057,522,858.93/163,460.88
  6. Step 6: Final answer
    x = 67,646.29

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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.