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Finding the Fourth Proportional to 56,135.40, 84,203.10 and 54,167.10

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Solution

The fourth proportional to 56,135.40, 84,203.10 and 54,167.10 is: 81,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135.40 : 84,203.10 = 54,167.10 : x
  2. Step 2: Convert to fraction form
    56,135.40/84,203.10 = 54,167.10/x
  3. Step 3: Cross multiply
    56,135.40x = 84,203.10 × 54,167.10
  4. Step 4: Simplify right side
    56,135.40x = 4,561,037,738.01
  5. Step 5: Solve for x
    x = 4,561,037,738.01/56,135.40
  6. Step 6: Final answer
    x = 81,250.65

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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.