Home / 261,911.28-392,892.24-104,104.32

Finding the Fourth Proportional to 261,911.28, 392,892.24 and 104,104.32

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Solution

The fourth proportional to 261,911.28, 392,892.24 and 104,104.32 is: 156,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,911.28 : 392,892.24 = 104,104.32 : x
  2. Step 2: Convert to fraction form
    261,911.28/392,892.24 = 104,104.32/x
  3. Step 3: Cross multiply
    261,911.28x = 392,892.24 × 104,104.32
  4. Step 4: Simplify right side
    261,911.28x = 40,901,779,478.48
  5. Step 5: Solve for x
    x = 40,901,779,478.48/261,911.28
  6. Step 6: Final answer
    x = 156,166.54

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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.