Home / 229,552.65-316,775.03-126,187.20

Finding the Fourth Proportional to 229,552.65, 316,775.03 and 126,187.20

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Solution

The fourth proportional to 229,552.65, 316,775.03 and 126,187.20 is: 174,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,552.65 : 316,775.03 = 126,187.20 : x
  2. Step 2: Convert to fraction form
    229,552.65/316,775.03 = 126,187.20/x
  3. Step 3: Cross multiply
    229,552.65x = 316,775.03 × 126,187.20
  4. Step 4: Simplify right side
    229,552.65x = 39,972,953,434.68
  5. Step 5: Solve for x
    x = 39,972,953,434.68/229,552.65
  6. Step 6: Final answer
    x = 174,134.14

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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.