Home / 168,210.20-252,315.24-115,459.76

Finding the Fourth Proportional to 168,210.20, 252,315.24 and 115,459.76

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Solution

The fourth proportional to 168,210.20, 252,315.24 and 115,459.76 is: 173,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,210.20 : 252,315.24 = 115,459.76 : x
  2. Step 2: Convert to fraction form
    168,210.20/252,315.24 = 115,459.76/x
  3. Step 3: Cross multiply
    168,210.20x = 252,315.24 × 115,459.76
  4. Step 4: Simplify right side
    168,210.20x = 29,132,255,793.17
  5. Step 5: Solve for x
    x = 29,132,255,793.17/168,210.20
  6. Step 6: Final answer
    x = 173,189.60

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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.