Home / 139,223.07-192,127.73-75,560.92

Finding the Fourth Proportional to 139,223.07, 192,127.73 and 75,560.92

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Solution

The fourth proportional to 139,223.07, 192,127.73 and 75,560.92 is: 104,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,223.07 : 192,127.73 = 75,560.92 : x
  2. Step 2: Convert to fraction form
    139,223.07/192,127.73 = 75,560.92/x
  3. Step 3: Cross multiply
    139,223.07x = 192,127.73 × 75,560.92
  4. Step 4: Simplify right side
    139,223.07x = 14,517,347,744.89
  5. Step 5: Solve for x
    x = 14,517,347,744.89/139,223.07
  6. Step 6: Final answer
    x = 104,274.01

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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.