Home / 195,820.80-293,731.20-102,355.20

Finding the Fourth Proportional to 195,820.80, 293,731.20 and 102,355.20

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Solution

The fourth proportional to 195,820.80, 293,731.20 and 102,355.20 is: 153,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,820.80 : 293,731.20 = 102,355.20 : x
  2. Step 2: Convert to fraction form
    195,820.80/293,731.20 = 102,355.20/x
  3. Step 3: Cross multiply
    195,820.80x = 293,731.20 × 102,355.20
  4. Step 4: Simplify right side
    195,820.80x = 30,064,915,722.24
  5. Step 5: Solve for x
    x = 30,064,915,722.24/195,820.80
  6. Step 6: Final answer
    x = 153,532.80

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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.