Home / 112,120.32-168,203.57-45,560.33

Finding the Fourth Proportional to 112,120.32, 168,203.57 and 45,560.33

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Solution

The fourth proportional to 112,120.32, 168,203.57 and 45,560.33 is: 68,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,120.32 : 168,203.57 = 45,560.33 : x
  2. Step 2: Convert to fraction form
    112,120.32/168,203.57 = 45,560.33/x
  3. Step 3: Cross multiply
    112,120.32x = 168,203.57 × 45,560.33
  4. Step 4: Simplify right side
    112,120.32x = 7,663,410,156.38
  5. Step 5: Solve for x
    x = 7,663,410,156.38/112,120.32
  6. Step 6: Final answer
    x = 68,349.88

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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.