Home / 85,467.24-128,217.87-26,300.66

Finding the Fourth Proportional to 85,467.24, 128,217.87 and 26,300.66

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Solution

The fourth proportional to 85,467.24, 128,217.87 and 26,300.66 is: 39,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467.24 : 128,217.87 = 26,300.66 : x
  2. Step 2: Convert to fraction form
    85,467.24/128,217.87 = 26,300.66/x
  3. Step 3: Cross multiply
    85,467.24x = 128,217.87 × 26,300.66
  4. Step 4: Simplify right side
    85,467.24x = 3,372,213,963.70
  5. Step 5: Solve for x
    x = 3,372,213,963.70/85,467.24
  6. Step 6: Final answer
    x = 39,456.22

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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.