Home / 139,462.04-192,459.12-75,799.85

Finding the Fourth Proportional to 139,462.04, 192,459.12 and 75,799.85

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Solution

The fourth proportional to 139,462.04, 192,459.12 and 75,799.85 is: 104,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,462.04 : 192,459.12 = 75,799.85 : x
  2. Step 2: Convert to fraction form
    139,462.04/192,459.12 = 75,799.85/x
  3. Step 3: Cross multiply
    139,462.04x = 192,459.12 × 75,799.85
  4. Step 4: Simplify right side
    139,462.04x = 14,588,372,427.13
  5. Step 5: Solve for x
    x = 14,588,372,427.13/139,462.04
  6. Step 6: Final answer
    x = 104,604.61

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1.5x scale

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.