Home / 172,338.84-237,984.48-129,823.56

Finding the Fourth Proportional to 172,338.84, 237,984.48 and 129,823.56

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Solution

The fourth proportional to 172,338.84, 237,984.48 and 129,823.56 is: 179,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,338.84 : 237,984.48 = 129,823.56 : x
  2. Step 2: Convert to fraction form
    172,338.84/237,984.48 = 129,823.56/x
  3. Step 3: Cross multiply
    172,338.84x = 237,984.48 × 129,823.56
  4. Step 4: Simplify right side
    172,338.84x = 30,895,992,418.35
  5. Step 5: Solve for x
    x = 30,895,992,418.35/172,338.84
  6. Step 6: Final answer
    x = 179,274.69

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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.