Home / 216,834.54-299,192.31-124,939.50

Finding the Fourth Proportional to 216,834.54, 299,192.31 and 124,939.50

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Solution

The fourth proportional to 216,834.54, 299,192.31 and 124,939.50 is: 172,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,834.54 : 299,192.31 = 124,939.50 : x
  2. Step 2: Convert to fraction form
    216,834.54/299,192.31 = 124,939.50/x
  3. Step 3: Cross multiply
    216,834.54x = 299,192.31 × 124,939.50
  4. Step 4: Simplify right side
    216,834.54x = 37,380,937,615.25
  5. Step 5: Solve for x
    x = 37,380,937,615.25/216,834.54
  6. Step 6: Final answer
    x = 172,393.83

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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.