Home / 139,625.28-192,677.27-75,963.34

Finding the Fourth Proportional to 139,625.28, 192,677.27 and 75,963.34

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Solution

The fourth proportional to 139,625.28, 192,677.27 and 75,963.34 is: 104,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,625.28 : 192,677.27 = 75,963.34 : x
  2. Step 2: Convert to fraction form
    139,625.28/192,677.27 = 75,963.34/x
  3. Step 3: Cross multiply
    139,625.28x = 192,677.27 × 75,963.34
  4. Step 4: Simplify right side
    139,625.28x = 14,636,408,971.28
  5. Step 5: Solve for x
    x = 14,636,408,971.28/139,625.28
  6. Step 6: Final answer
    x = 104,826.35

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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.