Home / 93,190.10-139,668.50-73,390.46

Finding the Fourth Proportional to 93,190.10, 139,668.50 and 73,390.46

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Solution

The fourth proportional to 93,190.10, 139,668.50 and 73,390.46 is: 109,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,190.10 : 139,668.50 = 73,390.46 : x
  2. Step 2: Convert to fraction form
    93,190.10/139,668.50 = 73,390.46/x
  3. Step 3: Cross multiply
    93,190.10x = 139,668.50 × 73,390.46
  4. Step 4: Simplify right side
    93,190.10x = 10,250,334,947.64
  5. Step 5: Solve for x
    x = 10,250,334,947.64/93,190.10
  6. Step 6: Final answer
    x = 109,993.82

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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.