Home / 163,290.90-225,325.89-91,654.50

Finding the Fourth Proportional to 163,290.90, 225,325.89 and 91,654.50

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Solution

The fourth proportional to 163,290.90, 225,325.89 and 91,654.50 is: 126,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,290.90 : 225,325.89 = 91,654.50 : x
  2. Step 2: Convert to fraction form
    163,290.90/225,325.89 = 91,654.50/x
  3. Step 3: Cross multiply
    163,290.90x = 225,325.89 × 91,654.50
  4. Step 4: Simplify right side
    163,290.90x = 20,652,131,785.01
  5. Step 5: Solve for x
    x = 20,652,131,785.01/163,290.90
  6. Step 6: Final answer
    x = 126,474.48

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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.