Home / 261,418.29-392,090.37-83,902.34

Finding the Fourth Proportional to 261,418.29, 392,090.37 and 83,902.34

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Solution

The fourth proportional to 261,418.29, 392,090.37 and 83,902.34 is: 125,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,418.29 : 392,090.37 = 83,902.34 : x
  2. Step 2: Convert to fraction form
    261,418.29/392,090.37 = 83,902.34/x
  3. Step 3: Cross multiply
    261,418.29x = 392,090.37 × 83,902.34
  4. Step 4: Simplify right side
    261,418.29x = 32,897,297,574.01
  5. Step 5: Solve for x
    x = 32,897,297,574.01/261,418.29
  6. Step 6: Final answer
    x = 125,841.61

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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.