Home / 216,938.52-299,323.62-126,239.58

Finding the Fourth Proportional to 216,938.52, 299,323.62 and 126,239.58

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Solution

The fourth proportional to 216,938.52, 299,323.62 and 126,239.58 is: 174,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,938.52 : 299,323.62 = 126,239.58 : x
  2. Step 2: Convert to fraction form
    216,938.52/299,323.62 = 126,239.58/x
  3. Step 3: Cross multiply
    216,938.52x = 299,323.62 × 126,239.58
  4. Step 4: Simplify right side
    216,938.52x = 37,786,488,072.88
  5. Step 5: Solve for x
    x = 37,786,488,072.88/216,938.52
  6. Step 6: Final answer
    x = 174,180.63

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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.