Home / 164,128.14-246,192.21-126,742.86

Finding the Fourth Proportional to 164,128.14, 246,192.21 and 126,742.86

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Solution

The fourth proportional to 164,128.14, 246,192.21 and 126,742.86 is: 190,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,128.14 : 246,192.21 = 126,742.86 : x
  2. Step 2: Convert to fraction form
    164,128.14/246,192.21 = 126,742.86/x
  3. Step 3: Cross multiply
    164,128.14x = 246,192.21 × 126,742.86
  4. Step 4: Simplify right side
    164,128.14x = 31,203,104,805.12
  5. Step 5: Solve for x
    x = 31,203,104,805.12/164,128.14
  6. Step 6: Final answer
    x = 190,114.29

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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.