Home / 254,546.57-381,820.77-86,068.29

Finding the Fourth Proportional to 254,546.57, 381,820.77 and 86,068.29

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Solution

The fourth proportional to 254,546.57, 381,820.77 and 86,068.29 is: 129,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,546.57 : 381,820.77 = 86,068.29 : x
  2. Step 2: Convert to fraction form
    254,546.57/381,820.77 = 86,068.29/x
  3. Step 3: Cross multiply
    254,546.57x = 381,820.77 × 86,068.29
  4. Step 4: Simplify right side
    254,546.57x = 32,862,662,192.21
  5. Step 5: Solve for x
    x = 32,862,662,192.21/254,546.57
  6. Step 6: Final answer
    x = 129,102.75

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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.