Home / 125,219.98-172,749.27-82,837.54

Finding the Fourth Proportional to 125,219.98, 172,749.27 and 82,837.54

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Solution

The fourth proportional to 125,219.98, 172,749.27 and 82,837.54 is: 114,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,219.98 : 172,749.27 = 82,837.54 : x
  2. Step 2: Convert to fraction form
    125,219.98/172,749.27 = 82,837.54/x
  3. Step 3: Cross multiply
    125,219.98x = 172,749.27 × 82,837.54
  4. Step 4: Simplify right side
    125,219.98x = 14,310,124,563.60
  5. Step 5: Solve for x
    x = 14,310,124,563.60/125,219.98
  6. Step 6: Final answer
    x = 114,279.88

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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.