Home / 152,022.82-209,850.69-136,079.70

Finding the Fourth Proportional to 152,022.82, 209,850.69 and 136,079.70

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Solution

The fourth proportional to 152,022.82, 209,850.69 and 136,079.70 is: 187,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,022.82 : 209,850.69 = 136,079.70 : x
  2. Step 2: Convert to fraction form
    152,022.82/209,850.69 = 136,079.70/x
  3. Step 3: Cross multiply
    152,022.82x = 209,850.69 × 136,079.70
  4. Step 4: Simplify right side
    152,022.82x = 28,556,418,939.99
  5. Step 5: Solve for x
    x = 28,556,418,939.99/152,022.82
  6. Step 6: Final answer
    x = 187,842.98

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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.