Home / 254,977.36-382,512.51-105,134.45

Finding the Fourth Proportional to 254,977.36, 382,512.51 and 105,134.45

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Solution

The fourth proportional to 254,977.36, 382,512.51 and 105,134.45 is: 157,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,977.36 : 382,512.51 = 105,134.45 : x
  2. Step 2: Convert to fraction form
    254,977.36/382,512.51 = 105,134.45/x
  3. Step 3: Cross multiply
    254,977.36x = 382,512.51 × 105,134.45
  4. Step 4: Simplify right side
    254,977.36x = 40,215,240,444.41
  5. Step 5: Solve for x
    x = 40,215,240,444.41/254,977.36
  6. Step 6: Final answer
    x = 157,720.83

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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.