Home / 85,238.50-127,837.22-26,074.68

Finding the Fourth Proportional to 85,238.50, 127,837.22 and 26,074.68

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Solution

The fourth proportional to 85,238.50, 127,837.22 and 26,074.68 is: 39,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,238.50 : 127,837.22 = 26,074.68 : x
  2. Step 2: Convert to fraction form
    85,238.50/127,837.22 = 26,074.68/x
  3. Step 3: Cross multiply
    85,238.50x = 127,837.22 × 26,074.68
  4. Step 4: Simplify right side
    85,238.50x = 3,333,314,603.59
  5. Step 5: Solve for x
    x = 3,333,314,603.59/85,238.50
  6. Step 6: Final answer
    x = 39,105.74

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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.