Home / 93,296.07-139,971.38-30,114.72

Finding the Fourth Proportional to 93,296.07, 139,971.38 and 30,114.72

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Solution

The fourth proportional to 93,296.07, 139,971.38 and 30,114.72 is: 45,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,296.07 : 139,971.38 = 30,114.72 : x
  2. Step 2: Convert to fraction form
    93,296.07/139,971.38 = 30,114.72/x
  3. Step 3: Cross multiply
    93,296.07x = 139,971.38 × 30,114.72
  4. Step 4: Simplify right side
    93,296.07x = 4,215,198,766.14
  5. Step 5: Solve for x
    x = 4,215,198,766.14/93,296.07
  6. Step 6: Final answer
    x = 45,180.88

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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.