Home / 135,019.12-186,243.96-94,674.64

Finding the Fourth Proportional to 135,019.12, 186,243.96 and 94,674.64

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Solution

The fourth proportional to 135,019.12, 186,243.96 and 94,674.64 is: 130,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,019.12 : 186,243.96 = 94,674.64 : x
  2. Step 2: Convert to fraction form
    135,019.12/186,243.96 = 94,674.64/x
  3. Step 3: Cross multiply
    135,019.12x = 186,243.96 × 94,674.64
  4. Step 4: Simplify right side
    135,019.12x = 17,632,579,865.17
  5. Step 5: Solve for x
    x = 17,632,579,865.17/135,019.12
  6. Step 6: Final answer
    x = 130,593.21

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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.