Home / 139,189.54-192,264.69-106,727.17

Finding the Fourth Proportional to 139,189.54, 192,264.69 and 106,727.17

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Solution

The fourth proportional to 139,189.54, 192,264.69 and 106,727.17 is: 147,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,189.54 : 192,264.69 = 106,727.17 : x
  2. Step 2: Convert to fraction form
    139,189.54/192,264.69 = 106,727.17/x
  3. Step 3: Cross multiply
    139,189.54x = 192,264.69 × 106,727.17
  4. Step 4: Simplify right side
    139,189.54x = 20,519,866,254.63
  5. Step 5: Solve for x
    x = 20,519,866,254.63/139,189.54
  6. Step 6: Final answer
    x = 147,423.91

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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.