Home / 93,031.24-139,546.92-76,548.64

Finding the Fourth Proportional to 93,031.24, 139,546.92 and 76,548.64

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Solution

The fourth proportional to 93,031.24, 139,546.92 and 76,548.64 is: 114,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,031.24 : 139,546.92 = 76,548.64 : x
  2. Step 2: Convert to fraction form
    93,031.24/139,546.92 = 76,548.64/x
  3. Step 3: Cross multiply
    93,031.24x = 139,546.92 × 76,548.64
  4. Step 4: Simplify right side
    93,031.24x = 10,682,126,942.19
  5. Step 5: Solve for x
    x = 10,682,126,942.19/93,031.24
  6. Step 6: Final answer
    x = 114,823.01

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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.