Home / 221,185.36-305,267.40-125,673.04

Finding the Fourth Proportional to 221,185.36, 305,267.40 and 125,673.04

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Solution

The fourth proportional to 221,185.36, 305,267.40 and 125,673.04 is: 173,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,185.36 : 305,267.40 = 125,673.04 : x
  2. Step 2: Convert to fraction form
    221,185.36/305,267.40 = 125,673.04/x
  3. Step 3: Cross multiply
    221,185.36x = 305,267.40 × 125,673.04
  4. Step 4: Simplify right side
    221,185.36x = 38,363,882,170.90
  5. Step 5: Solve for x
    x = 38,363,882,170.90/221,185.36
  6. Step 6: Final answer
    x = 173,446.75

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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.