Home / 163,290.48-225,353.88-91,675.20

Finding the Fourth Proportional to 163,290.48, 225,353.88 and 91,675.20

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Solution

The fourth proportional to 163,290.48, 225,353.88 and 91,675.20 is: 126,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,290.48 : 225,353.88 = 91,675.20 : x
  2. Step 2: Convert to fraction form
    163,290.48/225,353.88 = 91,675.20/x
  3. Step 3: Cross multiply
    163,290.48x = 225,353.88 × 91,675.20
  4. Step 4: Simplify right side
    163,290.48x = 20,659,362,019.78
  5. Step 5: Solve for x
    x = 20,659,362,019.78/163,290.48
  6. Step 6: Final answer
    x = 126,519.08

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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.