Home / 229,629.66-316,894.23-129,029.34

Finding the Fourth Proportional to 229,629.66, 316,894.23 and 129,029.34

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Solution

The fourth proportional to 229,629.66, 316,894.23 and 129,029.34 is: 178,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,629.66 : 316,894.23 = 129,029.34 : x
  2. Step 2: Convert to fraction form
    229,629.66/316,894.23 = 129,029.34/x
  3. Step 3: Cross multiply
    229,629.66x = 316,894.23 × 129,029.34
  4. Step 4: Simplify right side
    229,629.66x = 40,888,653,346.71
  5. Step 5: Solve for x
    x = 40,888,653,346.71/229,629.66
  6. Step 6: Final answer
    x = 178,063.47

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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.