Home / 160,122.33-220,968.86-88,502.36

Finding the Fourth Proportional to 160,122.33, 220,968.86 and 88,502.36

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Solution

The fourth proportional to 160,122.33, 220,968.86 and 88,502.36 is: 122,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,122.33 : 220,968.86 = 88,502.36 : x
  2. Step 2: Convert to fraction form
    160,122.33/220,968.86 = 88,502.36/x
  3. Step 3: Cross multiply
    160,122.33x = 220,968.86 × 88,502.36
  4. Step 4: Simplify right side
    160,122.33x = 19,556,264,049.15
  5. Step 5: Solve for x
    x = 19,556,264,049.15/160,122.33
  6. Step 6: Final answer
    x = 122,133.27

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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.