Home / 225,616.18-311,362.77-125,012.02

Finding the Fourth Proportional to 225,616.18, 311,362.77 and 125,012.02

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Solution

The fourth proportional to 225,616.18, 311,362.77 and 125,012.02 is: 172,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,616.18 : 311,362.77 = 125,012.02 : x
  2. Step 2: Convert to fraction form
    225,616.18/311,362.77 = 125,012.02/x
  3. Step 3: Cross multiply
    225,616.18x = 311,362.77 × 125,012.02
  4. Step 4: Simplify right side
    225,616.18x = 38,924,088,830.50
  5. Step 5: Solve for x
    x = 38,924,088,830.50/225,616.18
  6. Step 6: Final answer
    x = 172,523.48

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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.