Home / 139,415.27-192,394.82-75,754.13

Finding the Fourth Proportional to 139,415.27, 192,394.82 and 75,754.13

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Solution

The fourth proportional to 139,415.27, 192,394.82 and 75,754.13 is: 104,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,415.27 : 192,394.82 = 75,754.13 : x
  2. Step 2: Convert to fraction form
    139,415.27/192,394.82 = 75,754.13/x
  3. Step 3: Cross multiply
    139,415.27x = 192,394.82 × 75,754.13
  4. Step 4: Simplify right side
    139,415.27x = 14,574,702,205.61
  5. Step 5: Solve for x
    x = 14,574,702,205.61/139,415.27
  6. Step 6: Final answer
    x = 104,541.65

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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.