Home / 139,250.30-192,165.66-75,588.08

Finding the Fourth Proportional to 139,250.30, 192,165.66 and 75,588.08

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Solution

The fourth proportional to 139,250.30, 192,165.66 and 75,588.08 is: 104,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,250.30 : 192,165.66 = 75,588.08 : x
  2. Step 2: Convert to fraction form
    139,250.30/192,165.66 = 75,588.08/x
  3. Step 3: Cross multiply
    139,250.30x = 192,165.66 × 75,588.08
  4. Step 4: Simplify right side
    139,250.30x = 14,525,432,320.50
  5. Step 5: Solve for x
    x = 14,525,432,320.50/139,250.30
  6. Step 6: Final answer
    x = 104,311.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.