Home / 125,341.17-187,964.64-50,435.88

Finding the Fourth Proportional to 125,341.17, 187,964.64 and 50,435.88

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Solution

The fourth proportional to 125,341.17, 187,964.64 and 50,435.88 is: 75,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,341.17 : 187,964.64 = 50,435.88 : x
  2. Step 2: Convert to fraction form
    125,341.17/187,964.64 = 50,435.88/x
  3. Step 3: Cross multiply
    125,341.17x = 187,964.64 × 50,435.88
  4. Step 4: Simplify right side
    125,341.17x = 9,480,162,027.28
  5. Step 5: Solve for x
    x = 9,480,162,027.28/125,341.17
  6. Step 6: Final answer
    x = 75,634.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.