Home / 187,546.32-258,814.62-102,671.28

Finding the Fourth Proportional to 187,546.32, 258,814.62 and 102,671.28

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Solution

The fourth proportional to 187,546.32, 258,814.62 and 102,671.28 is: 141,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,546.32 : 258,814.62 = 102,671.28 : x
  2. Step 2: Convert to fraction form
    187,546.32/258,814.62 = 102,671.28/x
  3. Step 3: Cross multiply
    187,546.32x = 258,814.62 × 102,671.28
  4. Step 4: Simplify right side
    187,546.32x = 26,572,828,318.11
  5. Step 5: Solve for x
    x = 26,572,828,318.11/187,546.32
  6. Step 6: Final answer
    x = 141,686.75

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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.