Home / 85,335.31-127,998.17-26,170.82

Finding the Fourth Proportional to 85,335.31, 127,998.17 and 26,170.82

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Solution

The fourth proportional to 85,335.31, 127,998.17 and 26,170.82 is: 39,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,335.31 : 127,998.17 = 26,170.82 : x
  2. Step 2: Convert to fraction form
    85,335.31/127,998.17 = 26,170.82/x
  3. Step 3: Cross multiply
    85,335.31x = 127,998.17 × 26,170.82
  4. Step 4: Simplify right side
    85,335.31x = 3,349,817,067.40
  5. Step 5: Solve for x
    x = 3,349,817,067.40/85,335.31
  6. Step 6: Final answer
    x = 39,254.76

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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.