Home / 93,898.24-140,988.07-81,286.90

Finding the Fourth Proportional to 93,898.24, 140,988.07 and 81,286.90

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Solution

The fourth proportional to 93,898.24, 140,988.07 and 81,286.90 is: 122,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,898.24 : 140,988.07 = 81,286.90 : x
  2. Step 2: Convert to fraction form
    93,898.24/140,988.07 = 81,286.90/x
  3. Step 3: Cross multiply
    93,898.24x = 140,988.07 × 81,286.90
  4. Step 4: Simplify right side
    93,898.24x = 11,460,483,147.28
  5. Step 5: Solve for x
    x = 11,460,483,147.28/93,898.24
  6. Step 6: Final answer
    x = 122,052.16

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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.