Home / 139,227.04-192,133.47-75,564.88

Finding the Fourth Proportional to 139,227.04, 192,133.47 and 75,564.88

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Solution

The fourth proportional to 139,227.04, 192,133.47 and 75,564.88 is: 104,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,227.04 : 192,133.47 = 75,564.88 : x
  2. Step 2: Convert to fraction form
    139,227.04/192,133.47 = 75,564.88/x
  3. Step 3: Cross multiply
    139,227.04x = 192,133.47 × 75,564.88
  4. Step 4: Simplify right side
    139,227.04x = 14,518,542,604.53
  5. Step 5: Solve for x
    x = 14,518,542,604.53/139,227.04
  6. Step 6: Final answer
    x = 104,279.62

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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.