Home / 220,973.65-304,943.66-120,371.65

Finding the Fourth Proportional to 220,973.65, 304,943.66 and 120,371.65

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Solution

The fourth proportional to 220,973.65, 304,943.66 and 120,371.65 is: 166,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,973.65 : 304,943.66 = 120,371.65 : x
  2. Step 2: Convert to fraction form
    220,973.65/304,943.66 = 120,371.65/x
  3. Step 3: Cross multiply
    220,973.65x = 304,943.66 × 120,371.65
  4. Step 4: Simplify right side
    220,973.65x = 36,706,571,511.24
  5. Step 5: Solve for x
    x = 36,706,571,511.24/220,973.65
  6. Step 6: Final answer
    x = 166,112.89

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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.