Home / 155,160.36-214,121.54-88,092.36

Finding the Fourth Proportional to 155,160.36, 214,121.54 and 88,092.36

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Solution

The fourth proportional to 155,160.36, 214,121.54 and 88,092.36 is: 121,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,160.36 : 214,121.54 = 88,092.36 : x
  2. Step 2: Convert to fraction form
    155,160.36/214,121.54 = 88,092.36/x
  3. Step 3: Cross multiply
    155,160.36x = 214,121.54 × 88,092.36
  4. Step 4: Simplify right side
    155,160.36x = 18,862,471,785.43
  5. Step 5: Solve for x
    x = 18,862,471,785.43/155,160.36
  6. Step 6: Final answer
    x = 121,567.59

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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.