Home / 94,900.67-142,375.77-28,340.81

Finding the Fourth Proportional to 94,900.67, 142,375.77 and 28,340.81

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Solution

The fourth proportional to 94,900.67, 142,375.77 and 28,340.81 is: 42,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,900.67 : 142,375.77 = 28,340.81 : x
  2. Step 2: Convert to fraction form
    94,900.67/142,375.77 = 28,340.81/x
  3. Step 3: Cross multiply
    94,900.67x = 142,375.77 × 28,340.81
  4. Step 4: Simplify right side
    94,900.67x = 4,035,043,934.29
  5. Step 5: Solve for x
    x = 4,035,043,934.29/94,900.67
  6. Step 6: Final answer
    x = 42,518.61

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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.