Home / 126,777.03-174,946.91-69,415.31

Finding the Fourth Proportional to 126,777.03, 174,946.91 and 69,415.31

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Solution

The fourth proportional to 126,777.03, 174,946.91 and 69,415.31 is: 95,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,777.03 : 174,946.91 = 69,415.31 : x
  2. Step 2: Convert to fraction form
    126,777.03/174,946.91 = 69,415.31/x
  3. Step 3: Cross multiply
    126,777.03x = 174,946.91 × 69,415.31
  4. Step 4: Simplify right side
    126,777.03x = 12,143,992,769.38
  5. Step 5: Solve for x
    x = 12,143,992,769.38/126,777.03
  6. Step 6: Final answer
    x = 95,790.17

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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.