Home / 125,272.32-187,906.86-30,502.68

Finding the Fourth Proportional to 125,272.32, 187,906.86 and 30,502.68

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Solution

The fourth proportional to 125,272.32, 187,906.86 and 30,502.68 is: 45,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,272.32 : 187,906.86 = 30,502.68 : x
  2. Step 2: Convert to fraction form
    125,272.32/187,906.86 = 30,502.68/x
  3. Step 3: Cross multiply
    125,272.32x = 187,906.86 × 30,502.68
  4. Step 4: Simplify right side
    125,272.32x = 5,731,662,820.38
  5. Step 5: Solve for x
    x = 5,731,662,820.38/125,272.32
  6. Step 6: Final answer
    x = 45,753.63

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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.