Home / 139,567.14-192,597.12-75,904.92

Finding the Fourth Proportional to 139,567.14, 192,597.12 and 75,904.92

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Solution

The fourth proportional to 139,567.14, 192,597.12 and 75,904.92 is: 104,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,567.14 : 192,597.12 = 75,904.92 : x
  2. Step 2: Convert to fraction form
    139,567.14/192,597.12 = 75,904.92/x
  3. Step 3: Cross multiply
    139,567.14x = 192,597.12 × 75,904.92
  4. Step 4: Simplify right side
    139,567.14x = 14,619,068,985.83
  5. Step 5: Solve for x
    x = 14,619,068,985.83/139,567.14
  6. Step 6: Final answer
    x = 104,745.78

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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.