Home / 168,254.56-252,537.36-85,206.88

Finding the Fourth Proportional to 168,254.56, 252,537.36 and 85,206.88

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Solution

The fourth proportional to 168,254.56, 252,537.36 and 85,206.88 is: 127,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,254.56 : 252,537.36 = 85,206.88 : x
  2. Step 2: Convert to fraction form
    168,254.56/252,537.36 = 85,206.88/x
  3. Step 3: Cross multiply
    168,254.56x = 252,537.36 × 85,206.88
  4. Step 4: Simplify right side
    168,254.56x = 21,517,920,529.04
  5. Step 5: Solve for x
    x = 21,517,920,529.04/168,254.56
  6. Step 6: Final answer
    x = 127,889.08

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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.