Home / 261,953.09-392,760.59-125,102.10

Finding the Fourth Proportional to 261,953.09, 392,760.59 and 125,102.10

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Solution

The fourth proportional to 261,953.09, 392,760.59 and 125,102.10 is: 187,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,953.09 : 392,760.59 = 125,102.10 : x
  2. Step 2: Convert to fraction form
    261,953.09/392,760.59 = 125,102.10/x
  3. Step 3: Cross multiply
    261,953.09x = 392,760.59 × 125,102.10
  4. Step 4: Simplify right side
    261,953.09x = 49,135,173,980.73
  5. Step 5: Solve for x
    x = 49,135,173,980.73/261,953.09
  6. Step 6: Final answer
    x = 187,572.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.