Home / 187,838.64-259,217.30-102,953.88

Finding the Fourth Proportional to 187,838.64, 259,217.30 and 102,953.88

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Solution

The fourth proportional to 187,838.64, 259,217.30 and 102,953.88 is: 142,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,838.64 : 259,217.30 = 102,953.88 : x
  2. Step 2: Convert to fraction form
    187,838.64/259,217.30 = 102,953.88/x
  3. Step 3: Cross multiply
    187,838.64x = 259,217.30 × 102,953.88
  4. Step 4: Simplify right side
    187,838.64x = 26,687,426,798.12
  5. Step 5: Solve for x
    x = 26,687,426,798.12/187,838.64
  6. Step 6: Final answer
    x = 142,076.34

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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.