Home / 225,623.80-311,309.08-134,965.36

Finding the Fourth Proportional to 225,623.80, 311,309.08 and 134,965.36

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Solution

The fourth proportional to 225,623.80, 311,309.08 and 134,965.36 is: 186,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,623.80 : 311,309.08 = 134,965.36 : x
  2. Step 2: Convert to fraction form
    225,623.80/311,309.08 = 134,965.36/x
  3. Step 3: Cross multiply
    225,623.80x = 311,309.08 × 134,965.36
  4. Step 4: Simplify right side
    225,623.80x = 42,015,942,053.47
  5. Step 5: Solve for x
    x = 42,015,942,053.47/225,623.80
  6. Step 6: Final answer
    x = 186,221.23

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1.5x scale

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.