Home / 200,045.60-275,619.84-131,942.40

Finding the Fourth Proportional to 200,045.60, 275,619.84 and 131,942.40

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Solution

The fourth proportional to 200,045.60, 275,619.84 and 131,942.40 is: 181,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,045.60 : 275,619.84 = 131,942.40 : x
  2. Step 2: Convert to fraction form
    200,045.60/275,619.84 = 131,942.40/x
  3. Step 3: Cross multiply
    200,045.60x = 275,619.84 × 131,942.40
  4. Step 4: Simplify right side
    200,045.60x = 36,365,943,177.22
  5. Step 5: Solve for x
    x = 36,365,943,177.22/200,045.60
  6. Step 6: Final answer
    x = 181,788.27

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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.