Home / 112,268.70-168,447.60-45,713.70

Finding the Fourth Proportional to 112,268.70, 168,447.60 and 45,713.70

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Solution

The fourth proportional to 112,268.70, 168,447.60 and 45,713.70 is: 68,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268.70 : 168,447.60 = 45,713.70 : x
  2. Step 2: Convert to fraction form
    112,268.70/168,447.60 = 45,713.70/x
  3. Step 3: Cross multiply
    112,268.70x = 168,447.60 × 45,713.70
  4. Step 4: Simplify right side
    112,268.70x = 7,700,363,052.12
  5. Step 5: Solve for x
    x = 7,700,363,052.12/112,268.70
  6. Step 6: Final answer
    x = 68,588.69

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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.