Home / 95,638.06-143,465.12-29,078.76

Finding the Fourth Proportional to 95,638.06, 143,465.12 and 29,078.76

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Solution

The fourth proportional to 95,638.06, 143,465.12 and 29,078.76 is: 43,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,638.06 : 143,465.12 = 29,078.76 : x
  2. Step 2: Convert to fraction form
    95,638.06/143,465.12 = 29,078.76/x
  3. Step 3: Cross multiply
    95,638.06x = 143,465.12 × 29,078.76
  4. Step 4: Simplify right side
    95,638.06x = 4,171,788,239.97
  5. Step 5: Solve for x
    x = 4,171,788,239.97/95,638.06
  6. Step 6: Final answer
    x = 43,620.59

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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.