Home / 139,222.29-192,126.90-75,560.12

Finding the Fourth Proportional to 139,222.29, 192,126.90 and 75,560.12

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Solution

The fourth proportional to 139,222.29, 192,126.90 and 75,560.12 is: 104,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,222.29 : 192,126.90 = 75,560.12 : x
  2. Step 2: Convert to fraction form
    139,222.29/192,126.90 = 75,560.12/x
  3. Step 3: Cross multiply
    139,222.29x = 192,126.90 × 75,560.12
  4. Step 4: Simplify right side
    139,222.29x = 14,517,130,658.59
  5. Step 5: Solve for x
    x = 14,517,130,658.59/139,222.29
  6. Step 6: Final answer
    x = 104,273.03

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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.