Home / 187,169.13-258,388.61-115,590.67

Finding the Fourth Proportional to 187,169.13, 258,388.61 and 115,590.67

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Solution

The fourth proportional to 187,169.13, 258,388.61 and 115,590.67 is: 159,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,169.13 : 258,388.61 = 115,590.67 : x
  2. Step 2: Convert to fraction form
    187,169.13/258,388.61 = 115,590.67/x
  3. Step 3: Cross multiply
    187,169.13x = 258,388.61 × 115,590.67
  4. Step 4: Simplify right side
    187,169.13x = 29,867,311,326.34
  5. Step 5: Solve for x
    x = 29,867,311,326.34/187,169.13
  6. Step 6: Final answer
    x = 159,573.92

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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.