Home / 139,365.48-192,327.94-75,706.92

Finding the Fourth Proportional to 139,365.48, 192,327.94 and 75,706.92

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Solution

The fourth proportional to 139,365.48, 192,327.94 and 75,706.92 is: 104,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,365.48 : 192,327.94 = 75,706.92 : x
  2. Step 2: Convert to fraction form
    139,365.48/192,327.94 = 75,706.92/x
  3. Step 3: Cross multiply
    139,365.48x = 192,327.94 × 75,706.92
  4. Step 4: Simplify right side
    139,365.48x = 14,560,555,967.34
  5. Step 5: Solve for x
    x = 14,560,555,967.34/139,365.48
  6. Step 6: Final answer
    x = 104,477.49

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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.