Home / 168,205.45-252,308.12-115,455.01

Finding the Fourth Proportional to 168,205.45, 252,308.12 and 115,455.01

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Solution

The fourth proportional to 168,205.45, 252,308.12 and 115,455.01 is: 173,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,205.45 : 252,308.12 = 115,455.01 : x
  2. Step 2: Convert to fraction form
    168,205.45/252,308.12 = 115,455.01/x
  3. Step 3: Cross multiply
    168,205.45x = 252,308.12 × 115,455.01
  4. Step 4: Simplify right side
    168,205.45x = 29,130,234,678.87
  5. Step 5: Solve for x
    x = 29,130,234,678.87/168,205.45
  6. Step 6: Final answer
    x = 173,182.47

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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.