Home / 195,265.82-293,065.16-77,020.20

Finding the Fourth Proportional to 195,265.82, 293,065.16 and 77,020.20

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Solution

The fourth proportional to 195,265.82, 293,065.16 and 77,020.20 is: 115,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,265.82 : 293,065.16 = 77,020.20 : x
  2. Step 2: Convert to fraction form
    195,265.82/293,065.16 = 77,020.20/x
  3. Step 3: Cross multiply
    195,265.82x = 293,065.16 × 77,020.20
  4. Step 4: Simplify right side
    195,265.82x = 22,571,936,851.13
  5. Step 5: Solve for x
    x = 22,571,936,851.13/195,265.82
  6. Step 6: Final answer
    x = 115,595.94

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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.