Home / 163,455.48-225,591.30-91,841.04

Finding the Fourth Proportional to 163,455.48, 225,591.30 and 91,841.04

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Solution

The fourth proportional to 163,455.48, 225,591.30 and 91,841.04 is: 126,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,455.48 : 225,591.30 = 91,841.04 : x
  2. Step 2: Convert to fraction form
    163,455.48/225,591.30 = 91,841.04/x
  3. Step 3: Cross multiply
    163,455.48x = 225,591.30 × 91,841.04
  4. Step 4: Simplify right side
    163,455.48x = 20,718,539,606.95
  5. Step 5: Solve for x
    x = 20,718,539,606.95/163,455.48
  6. Step 6: Final answer
    x = 126,753.41

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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.