Home / 163,178.50-225,182.73-90,577.10

Finding the Fourth Proportional to 163,178.50, 225,182.73 and 90,577.10

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Solution

The fourth proportional to 163,178.50, 225,182.73 and 90,577.10 is: 124,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,178.50 : 225,182.73 = 90,577.10 : x
  2. Step 2: Convert to fraction form
    163,178.50/225,182.73 = 90,577.10/x
  3. Step 3: Cross multiply
    163,178.50x = 225,182.73 × 90,577.10
  4. Step 4: Simplify right side
    163,178.50x = 20,396,399,556.10
  5. Step 5: Solve for x
    x = 20,396,399,556.10/163,178.50
  6. Step 6: Final answer
    x = 124,994.41

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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.