Home / 220,422.04-304,185.75-123,647.35

Finding the Fourth Proportional to 220,422.04, 304,185.75 and 123,647.35

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Solution

The fourth proportional to 220,422.04, 304,185.75 and 123,647.35 is: 170,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,422.04 : 304,185.75 = 123,647.35 : x
  2. Step 2: Convert to fraction form
    220,422.04/304,185.75 = 123,647.35/x
  3. Step 3: Cross multiply
    220,422.04x = 304,185.75 × 123,647.35
  4. Step 4: Simplify right side
    220,422.04x = 37,611,761,895.26
  5. Step 5: Solve for x
    x = 37,611,761,895.26/220,422.04
  6. Step 6: Final answer
    x = 170,635.21

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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.