Home / 85,297.66-127,954.69-26,122.91

Finding the Fourth Proportional to 85,297.66, 127,954.69 and 26,122.91

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Solution

The fourth proportional to 85,297.66, 127,954.69 and 26,122.91 is: 39,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.66 : 127,954.69 = 26,122.91 : x
  2. Step 2: Convert to fraction form
    85,297.66/127,954.69 = 26,122.91/x
  3. Step 3: Cross multiply
    85,297.66x = 127,954.69 × 26,122.91
  4. Step 4: Simplify right side
    85,297.66x = 3,342,548,145.87
  5. Step 5: Solve for x
    x = 3,342,548,145.87/85,297.66
  6. Step 6: Final answer
    x = 39,186.87

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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.