Home / 172,486.36-237,944.08-100,819.56

Finding the Fourth Proportional to 172,486.36, 237,944.08 and 100,819.56

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Solution

The fourth proportional to 172,486.36, 237,944.08 and 100,819.56 is: 139,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,486.36 : 237,944.08 = 100,819.56 : x
  2. Step 2: Convert to fraction form
    172,486.36/237,944.08 = 100,819.56/x
  3. Step 3: Cross multiply
    172,486.36x = 237,944.08 × 100,819.56
  4. Step 4: Simplify right side
    172,486.36x = 23,989,417,450.20
  5. Step 5: Solve for x
    x = 23,989,417,450.20/172,486.36
  6. Step 6: Final answer
    x = 139,080.08

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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.