Home / 136,478.04-188,353.71-82,047.83

Finding the Fourth Proportional to 136,478.04, 188,353.71 and 82,047.83

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Solution

The fourth proportional to 136,478.04, 188,353.71 and 82,047.83 is: 113,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,478.04 : 188,353.71 = 82,047.83 : x
  2. Step 2: Convert to fraction form
    136,478.04/188,353.71 = 82,047.83/x
  3. Step 3: Cross multiply
    136,478.04x = 188,353.71 × 82,047.83
  4. Step 4: Simplify right side
    136,478.04x = 15,454,012,236.18
  5. Step 5: Solve for x
    x = 15,454,012,236.18/136,478.04
  6. Step 6: Final answer
    x = 113,234.42

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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.