Home / 172,142.10-237,489.57-126,927.09

Finding the Fourth Proportional to 172,142.10, 237,489.57 and 126,927.09

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Solution

The fourth proportional to 172,142.10, 237,489.57 and 126,927.09 is: 175,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,142.10 : 237,489.57 = 126,927.09 : x
  2. Step 2: Convert to fraction form
    172,142.10/237,489.57 = 126,927.09/x
  3. Step 3: Cross multiply
    172,142.10x = 237,489.57 × 126,927.09
  4. Step 4: Simplify right side
    172,142.10x = 30,143,860,025.45
  5. Step 5: Solve for x
    x = 30,143,860,025.45/172,142.10
  6. Step 6: Final answer
    x = 175,110.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.