Home / 187,064.64-258,150.57-102,181.68

Finding the Fourth Proportional to 187,064.64, 258,150.57 and 102,181.68

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Solution

The fourth proportional to 187,064.64, 258,150.57 and 102,181.68 is: 141,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,064.64 : 258,150.57 = 102,181.68 : x
  2. Step 2: Convert to fraction form
    187,064.64/258,150.57 = 102,181.68/x
  3. Step 3: Cross multiply
    187,064.64x = 258,150.57 × 102,181.68
  4. Step 4: Simplify right side
    187,064.64x = 26,378,258,935.56
  5. Step 5: Solve for x
    x = 26,378,258,935.56/187,064.64
  6. Step 6: Final answer
    x = 141,011.46

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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.