Home / 126,308.50-174,305.75-69,719.89

Finding the Fourth Proportional to 126,308.50, 174,305.75 and 69,719.89

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Solution

The fourth proportional to 126,308.50, 174,305.75 and 69,719.89 is: 96,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,308.50 : 174,305.75 = 69,719.89 : x
  2. Step 2: Convert to fraction form
    126,308.50/174,305.75 = 69,719.89/x
  3. Step 3: Cross multiply
    126,308.50x = 174,305.75 × 69,719.89
  4. Step 4: Simplify right side
    126,308.50x = 12,152,577,716.37
  5. Step 5: Solve for x
    x = 12,152,577,716.37/126,308.50
  6. Step 6: Final answer
    x = 96,213.46

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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.