Home / 139,374.64-192,338.64-75,713.44

Finding the Fourth Proportional to 139,374.64, 192,338.64 and 75,713.44

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Solution

The fourth proportional to 139,374.64, 192,338.64 and 75,713.44 is: 104,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,374.64 : 192,338.64 = 75,713.44 : x
  2. Step 2: Convert to fraction form
    139,374.64/192,338.64 = 75,713.44/x
  3. Step 3: Cross multiply
    139,374.64x = 192,338.64 × 75,713.44
  4. Step 4: Simplify right side
    139,374.64x = 14,562,620,079.32
  5. Step 5: Solve for x
    x = 14,562,620,079.32/139,374.64
  6. Step 6: Final answer
    x = 104,485.44

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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.