Home / 127,829.61-191,786.94-56,742.39

Finding the Fourth Proportional to 127,829.61, 191,786.94 and 56,742.39

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Solution

The fourth proportional to 127,829.61, 191,786.94 and 56,742.39 is: 85,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,829.61 : 191,786.94 = 56,742.39 : x
  2. Step 2: Convert to fraction form
    127,829.61/191,786.94 = 56,742.39/x
  3. Step 3: Cross multiply
    127,829.61x = 191,786.94 × 56,742.39
  4. Step 4: Simplify right side
    127,829.61x = 10,882,449,346.39
  5. Step 5: Solve for x
    x = 10,882,449,346.39/127,829.61
  6. Step 6: Final answer
    x = 85,132.46

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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.