Home / 205,025.00-307,539.52-71,908.45

Finding the Fourth Proportional to 205,025.00, 307,539.52 and 71,908.45

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Solution

The fourth proportional to 205,025.00, 307,539.52 and 71,908.45 is: 107,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,025.00 : 307,539.52 = 71,908.45 : x
  2. Step 2: Convert to fraction form
    205,025.00/307,539.52 = 71,908.45/x
  3. Step 3: Cross multiply
    205,025.00x = 307,539.52 × 71,908.45
  4. Step 4: Simplify right side
    205,025.00x = 22,114,689,248.32
  5. Step 5: Solve for x
    x = 22,114,689,248.32/205,025.00
  6. Step 6: Final answer
    x = 107,863.38

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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.