Home / 205,233.30-307,331.55-134,730.90

Finding the Fourth Proportional to 205,233.30, 307,331.55 and 134,730.90

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Solution

The fourth proportional to 205,233.30, 307,331.55 and 134,730.90 is: 201,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,233.30 : 307,331.55 = 134,730.90 : x
  2. Step 2: Convert to fraction form
    205,233.30/307,331.55 = 134,730.90/x
  3. Step 3: Cross multiply
    205,233.30x = 307,331.55 × 134,730.90
  4. Step 4: Simplify right side
    205,233.30x = 41,407,056,329.90
  5. Step 5: Solve for x
    x = 41,407,056,329.90/205,233.30
  6. Step 6: Final answer
    x = 201,756.03

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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.