Home / 188,688.04-260,394.26-102,651.86

Finding the Fourth Proportional to 188,688.04, 260,394.26 and 102,651.86

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Solution

The fourth proportional to 188,688.04, 260,394.26 and 102,651.86 is: 141,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,688.04 : 260,394.26 = 102,651.86 : x
  2. Step 2: Convert to fraction form
    188,688.04/260,394.26 = 102,651.86/x
  3. Step 3: Cross multiply
    188,688.04x = 260,394.26 × 102,651.86
  4. Step 4: Simplify right side
    188,688.04x = 26,729,955,260.05
  5. Step 5: Solve for x
    x = 26,729,955,260.05/188,688.04
  6. Step 6: Final answer
    x = 141,662.16

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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.