Home / 112,142.39-168,212.78-41,069.90

Finding the Fourth Proportional to 112,142.39, 168,212.78 and 41,069.90

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Solution

The fourth proportional to 112,142.39, 168,212.78 and 41,069.90 is: 61,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,142.39 : 168,212.78 = 41,069.90 : x
  2. Step 2: Convert to fraction form
    112,142.39/168,212.78 = 41,069.90/x
  3. Step 3: Cross multiply
    112,142.39x = 168,212.78 × 41,069.90
  4. Step 4: Simplify right side
    112,142.39x = 6,908,482,053.32
  5. Step 5: Solve for x
    x = 6,908,482,053.32/112,142.39
  6. Step 6: Final answer
    x = 61,604.56

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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.