Home / 172,090.14-258,201.40-83,336.82

Finding the Fourth Proportional to 172,090.14, 258,201.40 and 83,336.82

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Solution

The fourth proportional to 172,090.14, 258,201.40 and 83,336.82 is: 125,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,090.14 : 258,201.40 = 83,336.82 : x
  2. Step 2: Convert to fraction form
    172,090.14/258,201.40 = 83,336.82/x
  3. Step 3: Cross multiply
    172,090.14x = 258,201.40 × 83,336.82
  4. Step 4: Simplify right side
    172,090.14x = 21,517,683,595.55
  5. Step 5: Solve for x
    x = 21,517,683,595.55/172,090.14
  6. Step 6: Final answer
    x = 125,037.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.