Home / 188,089.60-259,563.96-103,207.32

Finding the Fourth Proportional to 188,089.60, 259,563.96 and 103,207.32

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Solution

The fourth proportional to 188,089.60, 259,563.96 and 103,207.32 is: 142,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,089.60 : 259,563.96 = 103,207.32 : x
  2. Step 2: Convert to fraction form
    188,089.60/259,563.96 = 103,207.32/x
  3. Step 3: Cross multiply
    188,089.60x = 259,563.96 × 103,207.32
  4. Step 4: Simplify right side
    188,089.60x = 26,788,900,680.19
  5. Step 5: Solve for x
    x = 26,788,900,680.19/188,089.60
  6. Step 6: Final answer
    x = 142,426.27

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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.