Home / 139,193.13-192,087.02-75,530.93

Finding the Fourth Proportional to 139,193.13, 192,087.02 and 75,530.93

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Solution

The fourth proportional to 139,193.13, 192,087.02 and 75,530.93 is: 104,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,193.13 : 192,087.02 = 75,530.93 : x
  2. Step 2: Convert to fraction form
    139,193.13/192,087.02 = 75,530.93/x
  3. Step 3: Cross multiply
    139,193.13x = 192,087.02 × 75,530.93
  4. Step 4: Simplify right side
    139,193.13x = 14,508,511,357.98
  5. Step 5: Solve for x
    x = 14,508,511,357.98/139,193.13
  6. Step 6: Final answer
    x = 104,232.95

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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.