Home / 115,100.11-172,650.16-108,602.83

Finding the Fourth Proportional to 115,100.11, 172,650.16 and 108,602.83

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Solution

The fourth proportional to 115,100.11, 172,650.16 and 108,602.83 is: 162,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,100.11 : 172,650.16 = 108,602.83 : x
  2. Step 2: Convert to fraction form
    115,100.11/172,650.16 = 108,602.83/x
  3. Step 3: Cross multiply
    115,100.11x = 172,650.16 × 108,602.83
  4. Step 4: Simplify right side
    115,100.11x = 18,750,295,975.95
  5. Step 5: Solve for x
    x = 18,750,295,975.95/115,100.11
  6. Step 6: Final answer
    x = 162,904.24

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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.