Home / 126,388.08-174,406.77-69,795

Finding the Fourth Proportional to 126,388.08, 174,406.77 and 69,795

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Solution

The fourth proportional to 126,388.08, 174,406.77 and 69,795 is: 96,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388.08 : 174,406.77 = 69,795 : x
  2. Step 2: Convert to fraction form
    126,388.08/174,406.77 = 69,795/x
  3. Step 3: Cross multiply
    126,388.08x = 174,406.77 × 69,795
  4. Step 4: Simplify right side
    126,388.08x = 12,172,720,512.15
  5. Step 5: Solve for x
    x = 12,172,720,512.15/126,388.08
  6. Step 6: Final answer
    x = 96,312.25

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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.