Home / 117,641.58-162,186.39-79,850.22

Finding the Fourth Proportional to 117,641.58, 162,186.39 and 79,850.22

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Solution

The fourth proportional to 117,641.58, 162,186.39 and 79,850.22 is: 110,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,641.58 : 162,186.39 = 79,850.22 : x
  2. Step 2: Convert to fraction form
    117,641.58/162,186.39 = 79,850.22/x
  3. Step 3: Cross multiply
    117,641.58x = 162,186.39 × 79,850.22
  4. Step 4: Simplify right side
    117,641.58x = 12,950,618,922.51
  5. Step 5: Solve for x
    x = 12,950,618,922.51/117,641.58
  6. Step 6: Final answer
    x = 110,085.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.