Home / 220,989.40-304,957.31-135,092.24

Finding the Fourth Proportional to 220,989.40, 304,957.31 and 135,092.24

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Solution

The fourth proportional to 220,989.40, 304,957.31 and 135,092.24 is: 186,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,989.40 : 304,957.31 = 135,092.24 : x
  2. Step 2: Convert to fraction form
    220,989.40/304,957.31 = 135,092.24/x
  3. Step 3: Cross multiply
    220,989.40x = 304,957.31 × 135,092.24
  4. Step 4: Simplify right side
    220,989.40x = 41,197,365,055.62
  5. Step 5: Solve for x
    x = 41,197,365,055.62/220,989.40
  6. Step 6: Final answer
    x = 186,422.36

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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.