Home / 112,182.94-168,269.73-45,620.50

Finding the Fourth Proportional to 112,182.94, 168,269.73 and 45,620.50

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Solution

The fourth proportional to 112,182.94, 168,269.73 and 45,620.50 is: 68,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,182.94 : 168,269.73 = 45,620.50 : x
  2. Step 2: Convert to fraction form
    112,182.94/168,269.73 = 45,620.50/x
  3. Step 3: Cross multiply
    112,182.94x = 168,269.73 × 45,620.50
  4. Step 4: Simplify right side
    112,182.94x = 7,676,549,217.47
  5. Step 5: Solve for x
    x = 7,676,549,217.47/112,182.94
  6. Step 6: Final answer
    x = 68,428.85

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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.