Home / 195,106.39-292,482.09-75,086.80

Finding the Fourth Proportional to 195,106.39, 292,482.09 and 75,086.80

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Solution

The fourth proportional to 195,106.39, 292,482.09 and 75,086.80 is: 112,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,106.39 : 292,482.09 = 75,086.80 : x
  2. Step 2: Convert to fraction form
    195,106.39/292,482.09 = 75,086.80/x
  3. Step 3: Cross multiply
    195,106.39x = 292,482.09 × 75,086.80
  4. Step 4: Simplify right side
    195,106.39x = 21,961,543,464.21
  5. Step 5: Solve for x
    x = 21,961,543,464.21/195,106.39
  6. Step 6: Final answer
    x = 112,561.89

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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.