Home / 187,448.63-258,679.10-102,565.69

Finding the Fourth Proportional to 187,448.63, 258,679.10 and 102,565.69

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Solution

The fourth proportional to 187,448.63, 258,679.10 and 102,565.69 is: 141,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,448.63 : 258,679.10 = 102,565.69 : x
  2. Step 2: Convert to fraction form
    187,448.63/258,679.10 = 102,565.69/x
  3. Step 3: Cross multiply
    187,448.63x = 258,679.10 × 102,565.69
  4. Step 4: Simplify right side
    187,448.63x = 26,531,599,989.80
  5. Step 5: Solve for x
    x = 26,531,599,989.80/187,448.63
  6. Step 6: Final answer
    x = 141,540.65

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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.