Home / 112,949.39-169,165.55-56,805.45

Finding the Fourth Proportional to 112,949.39, 169,165.55 and 56,805.45

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Solution

The fourth proportional to 112,949.39, 169,165.55 and 56,805.45 is: 85,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,949.39 : 169,165.55 = 56,805.45 : x
  2. Step 2: Convert to fraction form
    112,949.39/169,165.55 = 56,805.45/x
  3. Step 3: Cross multiply
    112,949.39x = 169,165.55 × 56,805.45
  4. Step 4: Simplify right side
    112,949.39x = 9,609,524,908.22
  5. Step 5: Solve for x
    x = 9,609,524,908.22/112,949.39
  6. Step 6: Final answer
    x = 85,078.15

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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.