Home / 104,863.35-144,712.13-57,116.28

Finding the Fourth Proportional to 104,863.35, 144,712.13 and 57,116.28

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Solution

The fourth proportional to 104,863.35, 144,712.13 and 57,116.28 is: 78,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,863.35 : 144,712.13 = 57,116.28 : x
  2. Step 2: Convert to fraction form
    104,863.35/144,712.13 = 57,116.28/x
  3. Step 3: Cross multiply
    104,863.35x = 144,712.13 × 57,116.28
  4. Step 4: Simplify right side
    104,863.35x = 8,265,418,250.90
  5. Step 5: Solve for x
    x = 8,265,418,250.90/104,863.35
  6. Step 6: Final answer
    x = 78,820.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.