Home / 172,419.50-237,903.24-100,785.66

Finding the Fourth Proportional to 172,419.50, 237,903.24 and 100,785.66

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Solution

The fourth proportional to 172,419.50, 237,903.24 and 100,785.66 is: 139,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,419.50 : 237,903.24 = 100,785.66 : x
  2. Step 2: Convert to fraction form
    172,419.50/237,903.24 = 100,785.66/x
  3. Step 3: Cross multiply
    172,419.50x = 237,903.24 × 100,785.66
  4. Step 4: Simplify right side
    172,419.50x = 23,977,235,059.54
  5. Step 5: Solve for x
    x = 23,977,235,059.54/172,419.50
  6. Step 6: Final answer
    x = 139,063.36

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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.