Home / 188,327.13-259,895.93-103,445.97

Finding the Fourth Proportional to 188,327.13, 259,895.93 and 103,445.97

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Solution

The fourth proportional to 188,327.13, 259,895.93 and 103,445.97 is: 142,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,327.13 : 259,895.93 = 103,445.97 : x
  2. Step 2: Convert to fraction form
    188,327.13/259,895.93 = 103,445.97/x
  3. Step 3: Cross multiply
    188,327.13x = 259,895.93 × 103,445.97
  4. Step 4: Simplify right side
    188,327.13x = 26,885,186,060.67
  5. Step 5: Solve for x
    x = 26,885,186,060.67/188,327.13
  6. Step 6: Final answer
    x = 142,757.90

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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.