Home / 139,946.32-209,926.77-40,097.04

Finding the Fourth Proportional to 139,946.32, 209,926.77 and 40,097.04

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Solution

The fourth proportional to 139,946.32, 209,926.77 and 40,097.04 is: 60,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,946.32 : 209,926.77 = 40,097.04 : x
  2. Step 2: Convert to fraction form
    139,946.32/209,926.77 = 40,097.04/x
  3. Step 3: Cross multiply
    139,946.32x = 209,926.77 × 40,097.04
  4. Step 4: Simplify right side
    139,946.32x = 8,417,442,093.76
  5. Step 5: Solve for x
    x = 8,417,442,093.76/139,946.32
  6. Step 6: Final answer
    x = 60,147.65

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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.