Home / 139,232.04-192,140.37-75,569.91

Finding the Fourth Proportional to 139,232.04, 192,140.37 and 75,569.91

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Solution

The fourth proportional to 139,232.04, 192,140.37 and 75,569.91 is: 104,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,232.04 : 192,140.37 = 75,569.91 : x
  2. Step 2: Convert to fraction form
    139,232.04/192,140.37 = 75,569.91/x
  3. Step 3: Cross multiply
    139,232.04x = 192,140.37 × 75,569.91
  4. Step 4: Simplify right side
    139,232.04x = 14,520,030,468.27
  5. Step 5: Solve for x
    x = 14,520,030,468.27/139,232.04
  6. Step 6: Final answer
    x = 104,286.56

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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.