Home / 168,905.58-252,853.56-102,143.76

Finding the Fourth Proportional to 168,905.58, 252,853.56 and 102,143.76

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Solution

The fourth proportional to 168,905.58, 252,853.56 and 102,143.76 is: 152,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,905.58 : 252,853.56 = 102,143.76 : x
  2. Step 2: Convert to fraction form
    168,905.58/252,853.56 = 102,143.76/x
  3. Step 3: Cross multiply
    168,905.58x = 252,853.56 × 102,143.76
  4. Step 4: Simplify right side
    168,905.58x = 25,827,413,347.79
  5. Step 5: Solve for x
    x = 25,827,413,347.79/168,905.58
  6. Step 6: Final answer
    x = 152,910.36

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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.