Home / 168,740.20-252,818.70-142,496.20

Finding the Fourth Proportional to 168,740.20, 252,818.70 and 142,496.20

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Solution

The fourth proportional to 168,740.20, 252,818.70 and 142,496.20 is: 213,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,740.20 : 252,818.70 = 142,496.20 : x
  2. Step 2: Convert to fraction form
    168,740.20/252,818.70 = 142,496.20/x
  3. Step 3: Cross multiply
    168,740.20x = 252,818.70 × 142,496.20
  4. Step 4: Simplify right side
    168,740.20x = 36,025,704,038.94
  5. Step 5: Solve for x
    x = 36,025,704,038.94/168,740.20
  6. Step 6: Final answer
    x = 213,498.05

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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.