Home / 169,087.21-253,634.91-56,771.10

Finding the Fourth Proportional to 169,087.21, 253,634.91 and 56,771.10

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Solution

The fourth proportional to 169,087.21, 253,634.91 and 56,771.10 is: 85,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,087.21 : 253,634.91 = 56,771.10 : x
  2. Step 2: Convert to fraction form
    169,087.21/253,634.91 = 56,771.10/x
  3. Step 3: Cross multiply
    169,087.21x = 253,634.91 × 56,771.10
  4. Step 4: Simplify right side
    169,087.21x = 14,399,132,839.10
  5. Step 5: Solve for x
    x = 14,399,132,839.10/169,087.21
  6. Step 6: Final answer
    x = 85,158.02

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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.