Home / 229,720.05-316,998.77-127,743.48

Finding the Fourth Proportional to 229,720.05, 316,998.77 and 127,743.48

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Solution

The fourth proportional to 229,720.05, 316,998.77 and 127,743.48 is: 176,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,720.05 : 316,998.77 = 127,743.48 : x
  2. Step 2: Convert to fraction form
    229,720.05/316,998.77 = 127,743.48/x
  3. Step 3: Cross multiply
    229,720.05x = 316,998.77 × 127,743.48
  4. Step 4: Simplify right side
    229,720.05x = 40,494,525,396.80
  5. Step 5: Solve for x
    x = 40,494,525,396.80/229,720.05
  6. Step 6: Final answer
    x = 176,277.71

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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.