Home / 85,301.36-127,947.43-26,137.21

Finding the Fourth Proportional to 85,301.36, 127,947.43 and 26,137.21

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Solution

The fourth proportional to 85,301.36, 127,947.43 and 26,137.21 is: 39,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,301.36 : 127,947.43 = 26,137.21 : x
  2. Step 2: Convert to fraction form
    85,301.36/127,947.43 = 26,137.21/x
  3. Step 3: Cross multiply
    85,301.36x = 127,947.43 × 26,137.21
  4. Step 4: Simplify right side
    85,301.36x = 3,344,188,461.66
  5. Step 5: Solve for x
    x = 3,344,188,461.66/85,301.36
  6. Step 6: Final answer
    x = 39,204.40

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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.