Home / 221,740.16-305,910.75-163,735.88

Finding the Fourth Proportional to 221,740.16, 305,910.75 and 163,735.88

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Solution

The fourth proportional to 221,740.16, 305,910.75 and 163,735.88 is: 225,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,740.16 : 305,910.75 = 163,735.88 : x
  2. Step 2: Convert to fraction form
    221,740.16/305,910.75 = 163,735.88/x
  3. Step 3: Cross multiply
    221,740.16x = 305,910.75 × 163,735.88
  4. Step 4: Simplify right side
    221,740.16x = 50,088,565,852.71
  5. Step 5: Solve for x
    x = 50,088,565,852.71/221,740.16
  6. Step 6: Final answer
    x = 225,888.56

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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.