Home / 187,066.32-258,147.28-102,183.72

Finding the Fourth Proportional to 187,066.32, 258,147.28 and 102,183.72

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Solution

The fourth proportional to 187,066.32, 258,147.28 and 102,183.72 is: 141,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,066.32 : 258,147.28 = 102,183.72 : x
  2. Step 2: Convert to fraction form
    187,066.32/258,147.28 = 102,183.72/x
  3. Step 3: Cross multiply
    187,066.32x = 258,147.28 × 102,183.72
  4. Step 4: Simplify right side
    187,066.32x = 26,378,449,378.28
  5. Step 5: Solve for x
    x = 26,378,449,378.28/187,066.32
  6. Step 6: Final answer
    x = 141,011.22

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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.