Home / 203,053.19-304,246.86-143,782.46

Finding the Fourth Proportional to 203,053.19, 304,246.86 and 143,782.46

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Solution

The fourth proportional to 203,053.19, 304,246.86 and 143,782.46 is: 215,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,053.19 : 304,246.86 = 143,782.46 : x
  2. Step 2: Convert to fraction form
    203,053.19/304,246.86 = 143,782.46/x
  3. Step 3: Cross multiply
    203,053.19x = 304,246.86 × 143,782.46
  4. Step 4: Simplify right side
    203,053.19x = 43,745,360,456.84
  5. Step 5: Solve for x
    x = 43,745,360,456.84/203,053.19
  6. Step 6: Final answer
    x = 215,437.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.