Home / 195,720.12-293,616.18-83,400.12

Finding the Fourth Proportional to 195,720.12, 293,616.18 and 83,400.12

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Solution

The fourth proportional to 195,720.12, 293,616.18 and 83,400.12 is: 125,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,720.12 : 293,616.18 = 83,400.12 : x
  2. Step 2: Convert to fraction form
    195,720.12/293,616.18 = 83,400.12/x
  3. Step 3: Cross multiply
    195,720.12x = 293,616.18 × 83,400.12
  4. Step 4: Simplify right side
    195,720.12x = 24,487,624,645.94
  5. Step 5: Solve for x
    x = 24,487,624,645.94/195,720.12
  6. Step 6: Final answer
    x = 125,115.52

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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.