Home / 139,835.85-192,907.35-94,529.72

Finding the Fourth Proportional to 139,835.85, 192,907.35 and 94,529.72

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Solution

The fourth proportional to 139,835.85, 192,907.35 and 94,529.72 is: 130,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,835.85 : 192,907.35 = 94,529.72 : x
  2. Step 2: Convert to fraction form
    139,835.85/192,907.35 = 94,529.72/x
  3. Step 3: Cross multiply
    139,835.85x = 192,907.35 × 94,529.72
  4. Step 4: Simplify right side
    139,835.85x = 18,235,476,816.91
  5. Step 5: Solve for x
    x = 18,235,476,816.91/139,835.85
  6. Step 6: Final answer
    x = 130,406.31

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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.