Home / 220,666.89-304,511.34-125,171.54

Finding the Fourth Proportional to 220,666.89, 304,511.34 and 125,171.54

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Solution

The fourth proportional to 220,666.89, 304,511.34 and 125,171.54 is: 172,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,666.89 : 304,511.34 = 125,171.54 : x
  2. Step 2: Convert to fraction form
    220,666.89/304,511.34 = 125,171.54/x
  3. Step 3: Cross multiply
    220,666.89x = 304,511.34 × 125,171.54
  4. Step 4: Simplify right side
    220,666.89x = 38,116,151,226.85
  5. Step 5: Solve for x
    x = 38,116,151,226.85/220,666.89
  6. Step 6: Final answer
    x = 172,731.63

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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.