Home / 254,955.29-382,378.26-105,156.73

Finding the Fourth Proportional to 254,955.29, 382,378.26 and 105,156.73

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Solution

The fourth proportional to 254,955.29, 382,378.26 and 105,156.73 is: 157,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,955.29 : 382,378.26 = 105,156.73 : x
  2. Step 2: Convert to fraction form
    254,955.29/382,378.26 = 105,156.73/x
  3. Step 3: Cross multiply
    254,955.29x = 382,378.26 × 105,156.73
  4. Step 4: Simplify right side
    254,955.29x = 40,209,647,444.69
  5. Step 5: Solve for x
    x = 40,209,647,444.69/254,955.29
  6. Step 6: Final answer
    x = 157,712.54

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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.