Home / 126,189.12-174,134.82-75,200.68

Finding the Fourth Proportional to 126,189.12, 174,134.82 and 75,200.68

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Solution

The fourth proportional to 126,189.12, 174,134.82 and 75,200.68 is: 103,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189.12 : 174,134.82 = 75,200.68 : x
  2. Step 2: Convert to fraction form
    126,189.12/174,134.82 = 75,200.68/x
  3. Step 3: Cross multiply
    126,189.12x = 174,134.82 × 75,200.68
  4. Step 4: Simplify right side
    126,189.12x = 13,095,056,875.68
  5. Step 5: Solve for x
    x = 13,095,056,875.68/126,189.12
  6. Step 6: Final answer
    x = 103,773.26

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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.