Home / 127,476.62-191,214.84-38,729.78

Finding the Fourth Proportional to 127,476.62, 191,214.84 and 38,729.78

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Solution

The fourth proportional to 127,476.62, 191,214.84 and 38,729.78 is: 58,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,476.62 : 191,214.84 = 38,729.78 : x
  2. Step 2: Convert to fraction form
    127,476.62/191,214.84 = 38,729.78/x
  3. Step 3: Cross multiply
    127,476.62x = 191,214.84 × 38,729.78
  4. Step 4: Simplify right side
    127,476.62x = 7,405,708,685.94
  5. Step 5: Solve for x
    x = 7,405,708,685.94/127,476.62
  6. Step 6: Final answer
    x = 58,094.64

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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.