Home / 168,205.95-252,308.86-115,455.51

Finding the Fourth Proportional to 168,205.95, 252,308.86 and 115,455.51

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Solution

The fourth proportional to 168,205.95, 252,308.86 and 115,455.51 is: 173,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,205.95 : 252,308.86 = 115,455.51 : x
  2. Step 2: Convert to fraction form
    168,205.95/252,308.86 = 115,455.51/x
  3. Step 3: Cross multiply
    168,205.95x = 252,308.86 × 115,455.51
  4. Step 4: Simplify right side
    168,205.95x = 29,130,448,108.82
  5. Step 5: Solve for x
    x = 29,130,448,108.82/168,205.95
  6. Step 6: Final answer
    x = 173,183.22

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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.