Home / 153,067.75-211,236.02-84,160.13

Finding the Fourth Proportional to 153,067.75, 211,236.02 and 84,160.13

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Solution

The fourth proportional to 153,067.75, 211,236.02 and 84,160.13 is: 116,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,067.75 : 211,236.02 = 84,160.13 : x
  2. Step 2: Convert to fraction form
    153,067.75/211,236.02 = 84,160.13/x
  3. Step 3: Cross multiply
    153,067.75x = 211,236.02 × 84,160.13
  4. Step 4: Simplify right side
    153,067.75x = 17,777,650,611.97
  5. Step 5: Solve for x
    x = 17,777,650,611.97/153,067.75
  6. Step 6: Final answer
    x = 116,142.36

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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.