Home / 120,186.12-180,283.68-35,947.38

Finding the Fourth Proportional to 120,186.12, 180,283.68 and 35,947.38

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Solution

The fourth proportional to 120,186.12, 180,283.68 and 35,947.38 is: 53,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,186.12 : 180,283.68 = 35,947.38 : x
  2. Step 2: Convert to fraction form
    120,186.12/180,283.68 = 35,947.38/x
  3. Step 3: Cross multiply
    120,186.12x = 180,283.68 × 35,947.38
  4. Step 4: Simplify right side
    120,186.12x = 6,480,725,952.76
  5. Step 5: Solve for x
    x = 6,480,725,952.76/120,186.12
  6. Step 6: Final answer
    x = 53,922.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.