Home / 220,860.16-304,706.97-125,311.51

Finding the Fourth Proportional to 220,860.16, 304,706.97 and 125,311.51

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Solution

The fourth proportional to 220,860.16, 304,706.97 and 125,311.51 is: 172,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,860.16 : 304,706.97 = 125,311.51 : x
  2. Step 2: Convert to fraction form
    220,860.16/304,706.97 = 125,311.51/x
  3. Step 3: Cross multiply
    220,860.16x = 304,706.97 × 125,311.51
  4. Step 4: Simplify right side
    220,860.16x = 38,183,290,518.22
  5. Step 5: Solve for x
    x = 38,183,290,518.22/220,860.16
  6. Step 6: Final answer
    x = 172,884.46

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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.