Home / 221,110.53-305,133.56-125,622.46

Finding the Fourth Proportional to 221,110.53, 305,133.56 and 125,622.46

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Solution

The fourth proportional to 221,110.53, 305,133.56 and 125,622.46 is: 173,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,110.53 : 305,133.56 = 125,622.46 : x
  2. Step 2: Convert to fraction form
    221,110.53/305,133.56 = 125,622.46/x
  3. Step 3: Cross multiply
    221,110.53x = 305,133.56 × 125,622.46
  4. Step 4: Simplify right side
    221,110.53x = 38,331,628,435.76
  5. Step 5: Solve for x
    x = 38,331,628,435.76/221,110.53
  6. Step 6: Final answer
    x = 173,359.58

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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.