Home / 188,617.50-260,293.88-102,577.30

Finding the Fourth Proportional to 188,617.50, 260,293.88 and 102,577.30

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Solution

The fourth proportional to 188,617.50, 260,293.88 and 102,577.30 is: 141,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,617.50 : 260,293.88 = 102,577.30 : x
  2. Step 2: Convert to fraction form
    188,617.50/260,293.88 = 102,577.30/x
  3. Step 3: Cross multiply
    188,617.50x = 260,293.88 × 102,577.30
  4. Step 4: Simplify right side
    188,617.50x = 26,700,243,022.63
  5. Step 5: Solve for x
    x = 26,700,243,022.63/188,617.50
  6. Step 6: Final answer
    x = 141,557.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.