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Finding the Fourth Proportional to 56,125.76, 84,187.84 and 16,145.68

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Solution

The fourth proportional to 56,125.76, 84,187.84 and 16,145.68 is: 24,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,125.76 : 84,187.84 = 16,145.68 : x
  2. Step 2: Convert to fraction form
    56,125.76/84,187.84 = 16,145.68/x
  3. Step 3: Cross multiply
    56,125.76x = 84,187.84 × 16,145.68
  4. Step 4: Simplify right side
    56,125.76x = 1,359,269,924.53
  5. Step 5: Solve for x
    x = 1,359,269,924.53/56,125.76
  6. Step 6: Final answer
    x = 24,218.29

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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.