Home / 160,180.38-221,040-88,556.22

Finding the Fourth Proportional to 160,180.38, 221,040 and 88,556.22

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Solution

The fourth proportional to 160,180.38, 221,040 and 88,556.22 is: 122,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,180.38 : 221,040 = 88,556.22 : x
  2. Step 2: Convert to fraction form
    160,180.38/221,040 = 88,556.22/x
  3. Step 3: Cross multiply
    160,180.38x = 221,040 × 88,556.22
  4. Step 4: Simplify right side
    160,180.38x = 19,574,466,868.80
  5. Step 5: Solve for x
    x = 19,574,466,868.80/160,180.38
  6. Step 6: Final answer
    x = 122,202.65

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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.