Home / 127,376.07-191,057.22-52,494.81

Finding the Fourth Proportional to 127,376.07, 191,057.22 and 52,494.81

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Solution

The fourth proportional to 127,376.07, 191,057.22 and 52,494.81 is: 78,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376.07 : 191,057.22 = 52,494.81 : x
  2. Step 2: Convert to fraction form
    127,376.07/191,057.22 = 52,494.81/x
  3. Step 3: Cross multiply
    127,376.07x = 191,057.22 × 52,494.81
  4. Step 4: Simplify right side
    127,376.07x = 10,029,512,463.03
  5. Step 5: Solve for x
    x = 10,029,512,463.03/127,376.07
  6. Step 6: Final answer
    x = 78,739.38

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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.