Home / 126,210.49-174,171.41-69,623.89

Finding the Fourth Proportional to 126,210.49, 174,171.41 and 69,623.89

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Solution

The fourth proportional to 126,210.49, 174,171.41 and 69,623.89 is: 96,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,210.49 : 174,171.41 = 69,623.89 : x
  2. Step 2: Convert to fraction form
    126,210.49/174,171.41 = 69,623.89/x
  3. Step 3: Cross multiply
    126,210.49x = 174,171.41 × 69,623.89
  4. Step 4: Simplify right side
    126,210.49x = 12,126,491,090.98
  5. Step 5: Solve for x
    x = 12,126,491,090.98/126,210.49
  6. Step 6: Final answer
    x = 96,081.48

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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.