Home / 56,120.80-84,191.34-16,137.88

Finding the Fourth Proportional to 56,120.80, 84,191.34 and 16,137.88

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Solution

The fourth proportional to 56,120.80, 84,191.34 and 16,137.88 is: 24,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.80 : 84,191.34 = 16,137.88 : x
  2. Step 2: Convert to fraction form
    56,120.80/84,191.34 = 16,137.88/x
  3. Step 3: Cross multiply
    56,120.80x = 84,191.34 × 16,137.88
  4. Step 4: Simplify right side
    56,120.80x = 1,358,669,741.96
  5. Step 5: Solve for x
    x = 1,358,669,741.96/56,120.80
  6. Step 6: Final answer
    x = 24,209.74

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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.