Home / 93,091.39-139,707.24-68,195.14

Finding the Fourth Proportional to 93,091.39, 139,707.24 and 68,195.14

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Solution

The fourth proportional to 93,091.39, 139,707.24 and 68,195.14 is: 102,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,091.39 : 139,707.24 = 68,195.14 : x
  2. Step 2: Convert to fraction form
    93,091.39/139,707.24 = 68,195.14/x
  3. Step 3: Cross multiply
    93,091.39x = 139,707.24 × 68,195.14
  4. Step 4: Simplify right side
    93,091.39x = 9,527,354,790.81
  5. Step 5: Solve for x
    x = 9,527,354,790.81/93,091.39
  6. Step 6: Final answer
    x = 102,344.10

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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.