Home / 81,455.22-122,238.18-44,026.76

Finding the Fourth Proportional to 81,455.22, 122,238.18 and 44,026.76

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Solution

The fourth proportional to 81,455.22, 122,238.18 and 44,026.76 is: 66,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,455.22 : 122,238.18 = 44,026.76 : x
  2. Step 2: Convert to fraction form
    81,455.22/122,238.18 = 44,026.76/x
  3. Step 3: Cross multiply
    81,455.22x = 122,238.18 × 44,026.76
  4. Step 4: Simplify right side
    81,455.22x = 5,381,751,013.70
  5. Step 5: Solve for x
    x = 5,381,751,013.70/81,455.22
  6. Step 6: Final answer
    x = 66,070.06

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1.5x scale

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.