Home / 199,581.52-275,415.64-118,967.49

Finding the Fourth Proportional to 199,581.52, 275,415.64 and 118,967.49

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Solution

The fourth proportional to 199,581.52, 275,415.64 and 118,967.49 is: 164,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,581.52 : 275,415.64 = 118,967.49 : x
  2. Step 2: Convert to fraction form
    199,581.52/275,415.64 = 118,967.49/x
  3. Step 3: Cross multiply
    199,581.52x = 275,415.64 × 118,967.49
  4. Step 4: Simplify right side
    199,581.52x = 32,765,507,397.54
  5. Step 5: Solve for x
    x = 32,765,507,397.54/199,581.52
  6. Step 6: Final answer
    x = 164,171.05

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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.