Home / 112,273.85-168,350.64-45,679.70

Finding the Fourth Proportional to 112,273.85, 168,350.64 and 45,679.70

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Solution

The fourth proportional to 112,273.85, 168,350.64 and 45,679.70 is: 68,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,273.85 : 168,350.64 = 45,679.70 : x
  2. Step 2: Convert to fraction form
    112,273.85/168,350.64 = 45,679.70/x
  3. Step 3: Cross multiply
    112,273.85x = 168,350.64 × 45,679.70
  4. Step 4: Simplify right side
    112,273.85x = 7,690,206,979.59
  5. Step 5: Solve for x
    x = 7,690,206,979.59/112,273.85
  6. Step 6: Final answer
    x = 68,495.08

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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.