Home / 221,735.04-305,987.52-126,255.36

Finding the Fourth Proportional to 221,735.04, 305,987.52 and 126,255.36

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Solution

The fourth proportional to 221,735.04, 305,987.52 and 126,255.36 is: 174,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,735.04 : 305,987.52 = 126,255.36 : x
  2. Step 2: Convert to fraction form
    221,735.04/305,987.52 = 126,255.36/x
  3. Step 3: Cross multiply
    221,735.04x = 305,987.52 × 126,255.36
  4. Step 4: Simplify right side
    221,735.04x = 38,632,564,493.11
  5. Step 5: Solve for x
    x = 38,632,564,493.11/221,735.04
  6. Step 6: Final answer
    x = 174,228.50

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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.