Home / 92,028.96-126,996.64-51,192.88

Finding the Fourth Proportional to 92,028.96, 126,996.64 and 51,192.88

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Solution

The fourth proportional to 92,028.96, 126,996.64 and 51,192.88 is: 70,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,028.96 : 126,996.64 = 51,192.88 : x
  2. Step 2: Convert to fraction form
    92,028.96/126,996.64 = 51,192.88/x
  3. Step 3: Cross multiply
    92,028.96x = 126,996.64 × 51,192.88
  4. Step 4: Simplify right side
    92,028.96x = 6,501,323,751.92
  5. Step 5: Solve for x
    x = 6,501,323,751.92/92,028.96
  6. Step 6: Final answer
    x = 70,644.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.