Home / 187,429.76-258,659.28-102,546.86

Finding the Fourth Proportional to 187,429.76, 258,659.28 and 102,546.86

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Solution

The fourth proportional to 187,429.76, 258,659.28 and 102,546.86 is: 141,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,429.76 : 258,659.28 = 102,546.86 : x
  2. Step 2: Convert to fraction form
    187,429.76/258,659.28 = 102,546.86/x
  3. Step 3: Cross multiply
    187,429.76x = 258,659.28 × 102,546.86
  4. Step 4: Simplify right side
    187,429.76x = 26,524,696,973.86
  5. Step 5: Solve for x
    x = 26,524,696,973.86/187,429.76
  6. Step 6: Final answer
    x = 141,518.07

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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.